W1=W2, they are directly related, k= spring constant x= change on length of spring. x= 34-24= 10 cm
The spring constant is calculated by dividing the force required to stretch or compress a spring by the lengthening or shortening of the spring. It is used to identify whether a spring is stable or unstable, and consequently, what system it should be employed in.
It is stated mathematically as k = - F/x, which reworks Hooke's Law. Where x is the displacement caused by the spring in N/m, F is the force applied over x, and k is the spring constant.
Only in the range where the force and displacement are proportionate does Hooke's law adequately explain the linear elastic deformation of materials. Whatever the mass, a spring's elasticity will revert to its initial shape once the external force is eliminated. A characteristic is the spring constant.
Thus, W1=W2, they are directly related, k= spring constant x= change on length of spring. x= 34-24= 10 cm.
Learn more about Spring constant, refer to the link:
https://brainly.com/question/29975736
#SPJ1
a car moves along the curved track. what is the apparent weight of the driver when the car reaches the lowest point of the curve?
The apparent weight of the driver at the lowest point of the curve is greater than their true weight due to the centripetal force acting on them.
When a car moves along a curved track, the driver experiences a force called centripetal force, which acts towards the center of the curve. At the lowest point of the curve, the centripetal force and gravitational force both act in the same direction (downwards).
As a result, the apparent weight of the driver, which is the combination of these two forces, becomes greater than their true weight. To calculate the apparent weight, you can use the formula: Apparent Weight = True Weight + (Mass x Centripetal Acceleration), where True Weight is the driver's weight (mass x gravitational acceleration) and Centripetal Acceleration is the acceleration required to keep the driver moving in a circular path.
Learn more about centripetal force here:
https://brainly.com/question/1869806
#SPJ11
11. a comparison of the age of the earth obtained from radioactive dating an the age of the universe based on galactic doppler shifts suggests that
It indicates that the earth is a relatively young planet in comparison to the age of the universe.
Radioactive dating, also known as radiometric dating, is a method used to determine the age of rocks, minerals, fossils, or other geological materials based on the decay of radioactive isotopes. It relies on the principle that certain elements in nature are unstable and undergo radioactive decay over time, transforming into different isotopes or elements.
The process involves measuring the abundance of certain isotopes, known as parent isotopes, and their stable decay products, known as daughter isotopes, within a sample. The rate at which a particular radioactive isotope decays is characterized by its half-life, which is the time it takes for half of the parent isotopes to decay into daughter isotopes.
A comparison of the age of the earth obtained from radioactive dating and the age of the universe based on galactic Doppler shifts suggests that the age of the universe is much older than the age of the earth. Radioactive dating suggests that the earth is approximately 4.54 billion years old, while galactic Doppler shifts suggest that the universe is approximately 13.8 billion years old.
To know more about Doppler shifts, visit:
brainly.com/question/31833262
#SPJ11
Which of the following terms may be used to describe the quantity of radiation emitted from the CT x-ray tube toward the patient?
a. effective MAS.
b. photon flux.
c. constant MAS.
d. photon fluence.
The term that may be used to describe the quantity of radiation emitted from the CT x-ray tube toward the patient is photon fluence. Photon fluence refers to the number of photons per unit area that are emitted from the CT x-ray tube and interact with the patient.
It is a measure of the intensity of the radiation that the patient is exposed to during a CT scan. Effective MAS, constant MAS, and photon flux are terms that are related to the amount of radiation that is delivered to the patient during a CT scan. Effective MAS refers to the product of the tube current (measured in milliamperes or mA) and the exposure time (measured in seconds or s) and is used to control the amount of radiation that is delivered to the patient.
Constant MAS is a technique used to maintain a consistent radiation dose to the patient regardless of the patient's size or shape. Photon flux refers to the rate at which photons are emitted from the CT x-ray tube. In summary, while effective MAS, constant MAS, and photon flux are related to the amount of radiation that is delivered to the patient during a CT scan, photon fluence is the term that describes the intensity of the radiation that the patient is exposed to during the scan.
To know more about CT x-ray visit :
https://brainly.com/question/29632055
#SPJ11
what is the speed vf of an electron at the fermi energy of gold? for now, neglect the effects of relativity. express your answer in meters per second to two significant figures. vf = nothing m/s
The speed (vₙ) of an electron at the Fermi energy of gold, neglecting relativistic effects, is approximately 1.57 x 10⁶ m/s.
Determine the speed v_f of an electron?The Fermi energy represents the highest energy level occupied by electrons at absolute zero temperature. To calculate the speed of an electron at the Fermi energy, we can make use of the Fermi velocity (vₙ), which represents the average speed of electrons near the Fermi level.
For gold, the Fermi velocity is approximately 1.57 x 10⁶ m/s. This value is obtained through experimental observations and theoretical calculations. It is important to note that this value neglects relativistic effects, which can become significant at high speeds approaching the speed of light.
However, since the question explicitly states to neglect relativistic effects, we can use this approximation for the speed of the electron at the Fermi energy in gold as 1.57 x 10⁶ m/s.
To know more about velocity, refer here:
https://brainly.com/question/30559316#
#SPJ4
A mass connected to a light string oscillates in simple harmonic motion. The work done by air friction affects (Select all that apply)
A
the mechanical energy of the mass.
B
the kinetic energy of the mass.
C
the potential energy of the mass.
D
the thermal energy of the entire system.
Explanation:
The work done by air friction affects:
B. The kinetic energy of the mass.
D. The thermal energy of the entire system.
Air friction dissipates energy from the system in the form of heat, which increases the thermal energy of the entire system. As a result, the kinetic energy of the mass, which is part of the mechanical energy, is also affected. The potential energy of the mass, however, remains unaffected by air friction as long as the oscillations are small and the potential energy is solely due to the mass's vertical position in a gravitational field.
FILL THE BLANK. To ensure proper inspection, deliveries should be scheduled during ______. Slow times. Thermometer should be ______. Metal-stem.
To ensure proper inspection, deliveries should be scheduled during slow times. Thermometers should be metal-stem.
Scheduling deliveries during slow times allows for adequate time and attention to be given to the inspection process, reducing the likelihood of errors or oversights. Using metal-stem thermometers ensures accuracy and reliability in temperature measurement, as metal-stem thermometers are known for their durability and resistance to damage or contamination.
Using metal-stem thermometers is important because they are more accurate than other types of thermometers, such as digital or glass thermometers. Metal-stem thermometers are able to quickly and accurately respond to changes in temperature, which is critical when monitoring perishable goods like food. They are also more durable and easier to clean than other types of thermometers, which helps prevent contamination. Overall, using metal-stem thermometers can help ensure that food is cooked and stored at safe temperatures, which is essential for preventing food-borne illness.
Learn more about metal-stem. from
https://brainly.com/question/31145742
#SPJ11
11. Answer the question below. Use the rubric in the materials for help if needed.
What is the current flowing through this circuit
Answer: 3A, current flowing through the circuit is 3A
Explanation: we know that the voltage given in the figure is 120V
Formula applied - I=V/R
resistors are connected in SERIES
R1= 10
R2= 5
R3= 25
R1+R2+R3=40
I=120/40 =3A
Hence current flowing is 3A
At the centre of a 50 m diameter circular ice rink, a 75 kg skater travelling north at 2.5 m/s collides with and holds onto a 60-kg skater who had been heading west at 3.5 m/s. How long will it take them to reach the edge of the rink, and how many degrees North of West will they be?
We can use trigonometry to find the angle: tan(theta) = 2.5 m/s / 3.5 m/s, so theta = 36.9 degrees North of West.
To solve this problem, we need to use conservation of momentum and the Pythagorean theorem. Initially, the northbound skater has a momentum of 75 kg x 2.5 m/s = 187.5 kg*m/s, and the westbound skater has a momentum of 60 kg x 3.5 m/s = 210 kg*m/s.
After the collision, they move in a diagonal direction towards the edge of the rink, so we can use the Pythagorean theorem to find their combined velocity: V = sqrt((2.5 m/s)^2 + (3.5 m/s)^2) = 4.33 m/s.
The total momentum is conserved, so (75 kg + 60 kg) x 4.33 m/s = 718.5 kg*m/s. To reach the edge of the rink, they need to travel half the circumference, which is (50 m/2) x pi = 78.54 m.
Therefore, it will take them t = 78.54 m / 4.33 m/s = 18.14 seconds to reach the edge.
Finally, we can use trigonometry to find the angle: tan(theta) = 2.5 m/s / 3.5 m/s, so theta = 36.9 degrees North of West.
To learn more about momentum visit;
https://brainly.com/question/30677308
#SPJ11
if a nearsighted person has a far point df that is 3.50 m from the eye, what is the focal length f1 of the contact lenses that the person would need to see an object at infinity clearly? express your answer in meters.
the nearsighted person would need contact lenses with a focal length of 3.50 meters to see an object at infinity clearly
To find the focal length f1 of the contact lenses needed by a nearsighted person with a far point of 3.50 m, we can use the formula:
1/f1 = 1/df - 1/di
where df is the far point (distance of clearest vision) and di is the distance between the lens and the eye.
Since the person wants to see an object at infinity clearly, we can assume that di is negligible compared to infinity. Therefore, we can simplify the equation to:
1/f1 = 1/df
Substituting the given value of df as 3.50 m, we get:
1/f1 = 1/3.50
Solving for f1, we get:
f1 = 3.50 m
to know more about, nearsighted visit
https://brainly.com/question/31791834
.#SPJ11
at what temperature is the root mean square velocity of h2 equal to 745 m/s?
To find the temperature at which the RMS velocity of H2 is equal to 745 m/s, The root mean square (RMS) velocity of a gas is given by the equation:
v_rms = sqrt(3 * k * T / m)
where v_rms is the root mean square velocity, k is the Boltzmann constant (1.38 x 10^-23 J/K), T is the temperature in Kelvin, and m is the molar mass of the gas.
For H2 (hydrogen gas), the molar mass is approximately 2 g/mol.
To find the temperature at which the RMS velocity of H2 is equal to 745 m/s, we can rearrange the equation:
T = (m * v_rms^2) / (3 * k)
Substituting the values:
T = (2 g/mol * (745 m/s)^2) / (3 * 1.38 x 10^-23 J/K)
Converting grams to kilograms and rearranging the units:
T = (0.002 kg/mol * (745 m/s)^2) / (3 * 1.38 x 10^-23 kgm^2/s^2K)
Calculating the value:
T ≈ 25095 K
Therefore, at approximately 25095 Kelvin, the root mean square velocity of H2 is equal to 745 m/s.
Learn more about temperature from
https://brainly.com/question/26866637
#SPJ11
The temperature at which the root mean square speed of H2 equals 745 m/s can be obtained by inserting the given values into the Urms equation derived from kinetic theory and solving for T (temperature). The calculated temperature will be in Kelvin.
Explanation:We can use the equation for the root mean square speed (Urms), which is derived from kinetic theory of ideal gases. The equation is defined as: Urms = √(3kT/m), where 'k' is Boltzmann constant (1.38 x 10^-23 J/K), 'T' is the absolute temperature in Kelvin, and 'm' is the molar mass of the gas in kg.
Given Urms of H2 is 745 m/s, we need to find the temperature 'T'. Firstly, remember that for H2, m is 2.02g converted to kg, which equals 2.02 x 10^-3 kg. Inserting the provided values into our equation, we get T = (Urms²)(m)/(3k) = (745²)(2.02 x 10^-3)/(3 x 1.38 x 10^-23). Calculating this will give us the temperature in Kelvin.
Learn more about Root Mean Square Speed here:https://brainly.com/question/36633794
#SPJ12
Calculate the tensile strength T, with the following information: R = 1 inch, and L = 1 inch. The peak compressive force is 2084 N.
To calculate the tensile strength (T), we need to use the formula:
T = Force/Area
In this case, we are given the peak compressive force as 2084 N. However, we need to convert this to tensile force since we want to calculate the tensile strength. Tensile force is equal in magnitude but opposite in direction to compressive force.
Therefore, T = 2084 N
Next, we need to calculate the cross-sectional area (A) of the material. Given that the diameter of the material is 1 inch, we can calculate the radius (R) as half of the diameter:
R = 1 inch / 2 = 0.5 inch
We need to convert the radius to meters since the SI unit of force is Newton (N) and the SI unit of area is square meters (m^2). Since 1 inch is equal to 0.0254 meters, we can convert the radius as follows:
R = 0.5 inch * 0.0254 meters/inch = 0.0127 meters
Now, we can calculate the cross-sectional area (A) of the material using the formula for the area of a circle:
A = π * R^2
A = 3.1416 * (0.0127 meters)^2
A ≈ 0.0005087 square meters
Finally, we can calculate the tensile strength (T) using the formula:
T = 2084 N / 0.0005087 square meters
T ≈ 4,093,981.8 N/m^2
Therefore, the tensile strength (T) is approximately 4,093,981.8 N/m^2.
Learn more about force from
https://brainly.com/question/12785175
#SPJ11
A 1210-kg car travels 1. 20 km up an incline at constant velocity. The incline is 15° measured with respect to the horizontal. The change in the car's potential energy is
The change in the car's potential energy is approximately 3,615,124 joules.
The change in the car's potential energy can be calculated using the formula:
ΔPE = m * g * h
where:
ΔPE = change in potential energy
m = mass of the car (1210 kg)
g = acceleration due to gravity (approximately 9.8 m/s²)
h = change in height
In this case, the change in height can be determined by calculating the vertical displacement of the car as it travels up the incline.
The vertical displacement (h) can be calculated as:
h = d * sin(θ)
where:
d = distance traveled along the incline (1.20 km = 1200 m)
θ = angle of the incline (15°)
Substituting the values:
h = 1200 m * sin(15°)
h ≈ 308.41 m
Now, we can calculate the change in potential energy:
ΔPE = (1210 kg) * (9.8 m/s²) * (308.41 m)
ΔPE ≈ 3,615,124 J (joules)
Learn more about potential energy here:
https://brainly.com/question/30322013
#SPJ11
how much work is done when a force of 800.0 n is exerted while pushing a crate across a level floor for a distance of 1.5 m
The work done when a force of 800.0 N is exerted while pushing a crate across a level floor for a distance of 1.5 m is 1200 J.
Determine the work done?The work done (W) can be calculated using the formula W = F × d × cos(θ), where F is the magnitude of the force applied, d is the distance moved, and θ is the angle between the force vector and the direction of motion.
In this case, the force is applied in the direction of motion, so the angle θ is 0°, and the cosine of 0° is 1.
Thus, the formula simplifies to W = F × d.
Plugging in the values, W = 800.0 N × 1.5 m = 1200 J (joules).
Therefore, the work done when a force of 800.0 N is exerted while pushing a crate across a level floor for a distance of 1.5 m is 1200 J.
To know more about work done, refer here:
https://brainly.com/question/3902440#
#SPJ4
when a pitcher throws a curve ball, the ball is given a fairly rapid spin. if a 0.15-kg baseball with a radius of 3.7 cm is thrown with a linear speed of 48 m>s and an angular speed of 42 rad>s, how much of its kinetic energy is translational and how much is rotational? assume the ball is a uniform, solid sphere.
The amοunt οf kinetic energy that is translatiοnal is apprοximately 172.8 J, and the amοunt that is rοtatiοnal is apprοximately 8.733 J.
How tο determine the amοunt οf kinetic energy?Tο determine the amοunt οf kinetic energy that is translatiοnal and rοtatiοnal, we need tο calculate the respective cοntributiοns.
The translatiοnal kinetic energy ([tex]\rm K_{trans[/tex]) οf a rοlling sphere is given by the equatiοn:
[tex]\rm K_{trans[/tex] = (1/2) * m * v²
where m is the mass οf the ball and v is the linear speed.
Given:
Mass οf the baseball (m) = 0.15 kg
Linear speed (v) = 48 m/s
Substituting the values intο the equatiοn, we can calculate the translatiοnal kinetic energy:
[tex]\rm K_{trans[/tex] = (1/2) * 0.15 kg * (48 m/s)²
= 0.15 kg * 1152 m²/s²
= 172.8 J
The rοtatiοnal kinetic energy ([tex]\rm K_{rot[/tex]) οf a rοlling sphere is given by the equatiοn:
[tex]\rm K_{rot[/tex] = (1/2) * I * ω²
where I is the mοment οf inertia οf the sphere and ω is the angular speed.
Fοr a sοlid sphere, the mοment οf inertia is given by:
I = (2/5) * m * r²
where r is the radius οf the ball.
Given:
Radius (r) = 3.7 cm = 0.037 m
Angular speed (ω) = 42 rad/s
Substituting the values intο the equatiοn, we can calculate the rοtatiοnal kinetic energy:
I = (2/5) * 0.15 kg * (0.037 m)²
= 0.00277 kg * m²
K_rοt = (1/2) * 0.00277 kg * m² * (42 rad/s)²
= 0.00277 kg * m² * 1764 rad²/s²
= 8.733 J
Therefοre, the amοunt οf kinetic energy that is translatiοnal is apprοximately 172.8 J, and the amοunt that is rοtatiοnal is apprοximately 8.733 J.
Learn more about kinetic energy
https://brainly.com/question/999862
#SPJ4
Short answer questions. Can different liquids of different densities at the same depth exert the same pressure? Give reasons. b. Hydraulic press is a force multiplier. Give reason. Let us take an object. At first put an object in water and weigh it using a spring balance and secondly measure the weight of same object in air. What differences do you get in its weight at two conditions. Give reasons. d. It is easier to pull a bucket of water from the well until it is inside the water but difficult when it is out of water. Give reasons.
a generator is built using a square coil with 300 turns and sides of length 45 cm. it is spun in a magnetic field of magnitude 0.80 t at a frequency of 60.0 hz. what is the amplitude of the induced emf?
The amplitude of the induced EMF in a generator with a square coil of 300 turns, side length 45 cm, magnetic field magnitude 0.80 T, and frequency 60.0 Hz is 30.24 V.
1. Calculate the area of the square coil: A = side^2 = (0.45 m)^2 = 0.2025 m^2
2. Calculate the angular frequency: ω = 2πf = 2π(60 Hz) = 376.99 rad/s
3. Use Faraday's Law to calculate the induced EMF amplitude: |EMF| = NABωsin(ωt)
4. Since we're looking for the amplitude, we only need the maximum value, which occurs when sin(ωt) = 1.
5. Thus, |EMF|max = NABω = (300 turns)(0.2025 m^2)(0.80 T)(376.99 rad/s) = 30.24 V
The amplitude of the induced EMF is 30.24 volts.
Learn more about Faraday's Law here:
https://brainly.com/question/31783788
#SPJ11
if 200 ml of an ideal gas exerts a pressure of 760 mmhg, what volume will the same gas occupy at 1450 mmhg, assuming constant temperature?
The gas will occupy approximately 104.83 mL at a pressure of 1450 mmHg, assuming constant temperature.To solve this problem, we can use Boyle's Law.
It states that the pressure and volume of a gas are inversely proportional at constant temperature.
Boyle's Law formula: P1 * V1 = P2 * V2
Given:
Initial volume (V1) = 200 mL
Initial pressure (P1) = 760 mmHg
Final pressure (P2) = 1450 mmHg
We need to find the final volume (V2).
Rearranging the formula, we have:
V2 = (P1 * V1) / P2
Substituting the given values into the equation:
V2 = (760 mmHg * 200 mL) / 1450 mmHg
Now, let's calculate the final volume (V2):
V2 = (760 mmHg * 200 mL) / 1450 mmHg
V2 ≈ 104.83 mL
Therefore, the gas will occupy approximately 104.83 mL at a pressure of 1450 mmHg, assuming constant temperature.
learn more about Boyle's Law here
https://brainly.com/question/21184611
#SPJ11
how does loudness relate to the unit decibel? how does loudness relate to the unit decibel? the decibel is a unit of measurement of sound frequency. perceived loudness is determined by sound frequency and sound wavelength. the decibel is a unit of measurement of sound intensity. perceived loudness is determined completely by sound intensity. the decibel is a unit of measurement of sound intensity. perceived loudness depends on sound intensity and sound frequency. the decibel is a unit of measurement of sound frequency. perceived loudness depends on sound intensity and sound frequency.
The unit of measurement for loudness is the decibel (dB). Loudness is directly related to the intensity of sound, which is measured in decibels.
The higher the decibel level, the louder the sound. However, loudness is not solely determined by sound intensity. It also depends on the frequency and wavelength of the sound. Therefore, a sound with a higher decibel level may not necessarily be perceived as louder if its frequency is outside the range of human hearing. In summary, loudness is related to the unit decibel, which measures sound intensity, but also depends on the frequency and wavelength of the sound.
To know more about wavelength, visit:
https://brainly.com/question/14942481
#SPJ11
if sound travels faster underwater does that mean a jet with same engine will travel faster in water. True or False
False. While sound may travel faster underwater, it does not mean that a jet with the same engine will travel faster in water. Jets are designed to travel through air and are not built to function underwater. Water has a much higher density than air, which means it would create more drag on the jet, making it difficult to move forward at high speeds. Additionally, the properties of water make it challenging to generate lift, which is a critical component for aircraft to stay in the air. While some specialized aircraft can take off and land on water, they are designed specifically for that purpose and are not comparable to regular jets.
False. While it is true that sound travels faster underwater, this fact does not imply that a jet with the same engine will travel faster in water. The reason is that the principles governing the movement of sound waves and the movement of a jet are different.
Sound travels faster underwater due to the higher density of water compared to air, which allows the sound waves to propagate more efficiently. However, the higher density of water also creates more resistance for objects moving through it, like a jet. This resistance, known as drag, would actually slow the jet down when compared to its speed in air.
Moreover, a jet's engine is specifically designed to operate in the air, using the principle of thrust, where air is taken in through the front of the engine and expelled at high speed out of the back. This process would not work efficiently in water, as the jet engine is not designed for underwater propulsion.
In conclusion, a jet with the same engine will not travel faster in water, despite the fact that sound travels faster underwater.
To know more about Sound travels visit
https://brainly.com/question/30416108
SPJ11
a 3.5-a current is maintained in a simple circuit with a total resistance of 1500 ω. what net charge passes through any point in the circuit during a thirty second interval?
A. 100C
B. 180C
C. 500C
D. 600C
To determine the net charge passing through any point in the circuit during a thirty-second interval, we can use the equation:
Q = 3.5 A * 30 s
Q = 105 C
Charge (Q) = Current (I) * Time (t)
Given that the current is 3.5 A and the time is 30 s, we can calculate the charge as:
Q = 3.5 A * 30 s
Q = 105 C
Therefore, the net charge passing through any point in the circuit during a thirty-second interval is 105 C.
None of the given answer choices (A, B, C, D) matches the calculated value of 105 C. It seems there might be a discrepancy in the provided answer options. Please double-check the available choices or verify if there are any additional constraints or information given in the problem statement.
Learn more about Charge here
https://brainly.com/question/25923373
#SPJ11
when astronomers measure the mass of the galaxy triangulum using the brightness method the result they get is much less than when they measure the mass using the orbital method. why?
The discrepancy between the brightness method and the orbital method in measuring the mass of the Triangulum galaxy arises due to the presence of dark matter.
The brightness method calculates a galaxy's mass based on the observed luminosity, assuming that the mass is proportional to the amount of visible light emitted. On the other hand, the orbital method calculates mass by observing the motion of stars and other objects within the galaxy, relying on the gravitational forces acting upon them.
The reason for the discrepancy between the two methods is the presence of dark matter, an invisible substance that does not emit, absorb, or reflect light, but exerts gravitational influence. Since the brightness method only accounts for visible matter, it tends to underestimate the galaxy's mass compared to the orbital method, which considers both visible and dark matter in its calculation.
Learn more about galaxy here:
https://brainly.com/question/31361315
#SPJ11
A hydrogen atom is in state N = 3, where N = 1 is the lowest energy state. What is K+U in electron volts for this atomic hydrogen energy state?
E3 =? eV
The hydrogen atom makes a transition to state N = 2. What is K+U in electron volts for this lower atomic hydrogen energy state?
E2 = ?eV
What is the energy in electron volts of the photon emitted in the transition from level N = 3 to N = 2?
Ephoton = ?eV
The energy of the photon emitted in the transition from level N = 3 to N = 2 is approximately 1.89 eV.
To calculate the kinetic energy (K) and potential energy (U) in electron volts (eV) for the energy states of a hydrogen atom, we need to use the formula for the energy levels of hydrogen:
[tex]E = \frac {-13.6 eV}{n^{2}}[/tex]
where E is the energy of the state and n is the principal quantum number.
The energy of state N = 3
Using the formula, we substitute n = 3 into the equation:
[tex]E_3 = \frac {-13.6 eV}{3^{2}}= - \frac {13.6 eV}{9} \approx -1.51 eV[/tex]
The energy of state N = 3 is approximately -1.51 eV.
Energy of state N = 2
Similarly, substituting n = 2 into the formula:
[tex]E_2 = \frac {-13.6 eV}{2^{2}}= \frac {-13.6 eV}{4}= -3.4 eV[/tex]
The energy of state N = 2 is -3.4 eV.
[tex]E_{photon} = E_3 - E_2= (-1.51 eV) - (-3.4 eV)= 1.89 eV[/tex]
Learn more about the calculation of the emitted energy of the photon here:
https://brainly.com/question/32468154
#SPJ4
Find the volume of the following shape.
7 km
5 km
1.9 km
3 km
3 km
Round to the nearest hundredth.
The volume of the triangular shape is 10.35 km³.
In geometry, volume is the amount of space enclosed by a three-dimensional object. It is measured in cubic units, such as cubic meters or cubic centimeters. The volume of a regular object can be calculated using a formula, while the volume of an irregular object can be calculated by dividing it into smaller regular objects and adding up their volumes.
For example, the volume of a cube with a side length of 1 meter is 1 cubic meter. The volume of a sphere with a radius of 1 meter is 4/3π cubic meters. The volume of a cylinder with a radius of 1 meter and height of 2 meters is 2π cubic meters.
The formula gives the volume of a triangular shape:
V = 1/2 * b * h * t
where:
b is the base of the triangle
h is the height of the triangle
t is the thickness of the triangle
In this case, we have:
b = 7 km
h = 1.9 km
t = 3 km
So now, the volume of the triangular shape is:
V = 1/2 * 7 km * 1.9 km * 3 km = 10.35 km³
Therefore, the volume of the triangular shale is 10.35 km³.
To learn more about volume click:
https://brainly.com/question/32551355
#SPJ1
ten narrow slits are equally spaced 2.00 mm apart and illuminated with red light of wavelength 650 nm. (a) what are the angular positions (in degrees) of the third and fifth principal maxima? (consider the central maximum to be the zeroth principal maximum.)
The third principal maximum is at an angle of 12.3 degrees and the fifth principal maximum is at an angle of 24.6 degrees.
When light passes through narrow slits, it diffracts and produces a pattern of bright and dark fringes on a screen. The bright fringes are called principal maxima and are spaced at regular intervals. The angular position of the nth principal maximum can be calculated using the equation θ = nλ/d, where λ is the wavelength of the light, d is the distance between the slits, and n is the order of the maximum.
For this problem, the third principal maximum is the one where n=3, and the fifth principal maximum is the one where n=5. Plugging in the values given, we get θ3 = 12.3 degrees and θ5 = 24.6 degrees. It's important to note that the central maximum is considered the zeroth principal maximum and is located at an angle of 0 degrees.
Learn more about fringes here:
https://brainly.com/question/28608637
#SPJ11
A mass is tied to a spring and begins vibrating periodically. The distance between its highest and its lowest position is 38cm. What is the amplitude of the vibrations?
what is the origin of the atoms of hydrogen, oxygen, iron, and sodium (salt) in the perspiration that exits your body during an astronomy exam?
The atoms of hydrogen, oxygen, iron, and sodium (salt) in the perspiration that exits your body during an astronomy exam come from various sources.
Hydrogen and oxygen come from the water and other fluids you drink, while iron is derived from the food you eat. Sodium is also obtained from the food you consume, as well as from the salt you may add to your food. These elements are essential for the proper functioning of the human body, and they are constantly being used and replenished. As you sweat, some of these elements are excreted through your pores along with other waste products. Ultimately, the origin of these atoms can be traced back to various natural sources such as water, air, and minerals found in the earth's crust.
To know more about minerals, visit:
https://brainly.com/question/29970865
#SPJ11
would you use the same pre-set wavelength of light to do spectroscopy experiments with different colored solutions? explain in 2-3 complete sentences why or why not?
No, the same pre-set wavelength of light should not be used for spectroscopy experiments with different colored solutions. The reason is that different colored solutions absorb and transmit light at different wavelengths.
Determine the pre-set wavelength of light?Each substance has its unique absorption spectrum, and the wavelengths of light that are absorbed or transmitted depend on the chemical composition of the solution.
To properly analyze the absorption or transmission characteristics of a particular colored solution, it is essential to use a light source with a wavelength that corresponds to the region of interest in the absorption spectrum of that solution.
By using the appropriate wavelength of light, we can accurately measure the absorption or transmission properties of the solution and obtain meaningful spectroscopic data.
Therefore, (No) using a fixed wavelength of light is inappropriate for spectroscopy experiments with different colored solutions because they have distinct absorption and transmission behaviors at specific wavelengths.
To know more about wavelength of light, refer here:
https://brainly.com/question/20462619#
#SPJ4
as oil is pumped through a hydraulic system it progressively
As oil is pumped through a hydraulic system, it progressively builds pressure and flows through the system, providing power to hydraulic components such as cylinders, motors, and valves.
The oil's flow rate, viscosity, and temperature can all impact the system's performance and efficiency. It's crucial to maintain the oil's cleanliness and monitor its level to ensure the hydraulic system's proper function.
As oil is pumped through a hydraulic system, it progressively flows from the hydraulic pump, which generates the required pressure, to various components such as valves, actuators, and cylinders.
These components help control and transmit the energy created by the pressurized oil, allowing the hydraulic system to perform work efficiently. Here's a step-by-step explanation of the process:
1. The hydraulic pump draws oil from the reservoir, increasing its pressure and generating the necessary power.
2. The pressurized oil flows through the hydraulic lines, which are designed to withstand the high pressure.
3. The oil reaches control valves, which regulate the flow and direction of the oil within the system.
4. The oil then moves to the actuators (such as hydraulic cylinders or hydraulic motors), where the pressurized oil's energy is converted into mechanical force, allowing the system to perform work.
5. Once the work is done, the oil's pressure decreases, and it returns to the reservoir, where it may be filtered and re-circulated through the hydraulic system.
As oil progresses through a hydraulic system, it's essential to maintain its proper viscosity, cleanliness, and temperature to ensure efficient performance and prevent component wear or damage.
To know more about hydraulic system visit -
brainly.com/question/12008408
#SPJ11
By how much does a filter angled at 45 degrees to polarized light reduce its intensity?
The polarized light passes through a filter that is angled at 45 degrees relative to the polarization direction of the light, the intensity of the light is reduced by a factor of 50%.
Polarized light consists of electromagnetic waves that oscillate in a specific plane. When light passes through a polarizing filter, it transmits only the component of light that oscillates in the same direction as the filter's polarization axis, while blocking or absorbing light oscillating perpendicular to the polarization axis.
In the case of a filter angled at 45 degrees to the polarization direction of the light, the filter allows half of the polarized light to pass through. This is because the polarized light can be decomposed into two perpendicular components: one parallel to the polarization axis of the filter and the other perpendicular to it. The filter allows the component parallel to its polarization axis to pass through, while blocking the component perpendicular to it.
Since the light is polarized and the filter allows only one of the two components to pass, the intensity of the transmitted light is reduced by half (50%). The other half of the light is absorbed or blocked by the filter.
Therefore, when polarized light encounters a filter angled at 45 degrees relative to its polarization direction, the intensity of the light is reduced by 50% due to the selective transmission of only one component of the polarized light.
Know more about polarized light here:
https://brainly.com/question/3092611
#SPJ8
why does kiktchenaid electric oven beep sometime after its been in use and how do you get beating to stop
The beeping sound you hear from your KitchenAid electric oven after it's been in use is most likely an indication that the cooking cycle has ended or that the oven has reached the desired temperature.
Some models also beep to alert you when the timer has completed its countdown. To stop the beeping, you can usually press the "off" or "cancel" button on the oven control panel. To stop the beeping sound, you typically have a few options:
Check for Notifications: Look for any messages or icons on the oven's control panel that might indicate the reason for the beep. This can help you identify whether it's a timer completion, preheating, or cooking cycle alert.
Cancel the Timer: If the oven is beeping due to a timer completion, you can usually press a "Timer Off" or "Cancel" button on the control panel to stop the beeping.
Open the Oven Door: If the beeping is due to a cooking cycle completion, simply opening the oven door can often deactivate the alert.
Power Cycling: If none of the above methods work or you're unsure of the cause, you can try turning off the oven at the power source (e.g., unplugging it or switching off the circuit breaker) for a brief period and then turning it back on. This can sometimes reset the oven and stop the beeping.
To know more about power source , visit:
https://brainly.com/question/28582522
#SPJ11