The parts found in an electric generator for the conversion of electric energy into other forms of energy such as mechanical or chemical energy are an armature, a permanent magnet, an electromagnet brushes, and slip rings.
What is electric generator?
An electric generator is a device that converts motive power into electric power for use in an external circuit.
Parts of electric generators include the following;
an armaturea permanent magnetan electromagnet brushesslip ringsThese parts of electric generator helps in the generation of electricity or conversion of electric energy into mechanical energy or light energy or chemical energy.
Thus, the parts found in an electric generator for the conversion of electric energy into other forms of energy such as mechanical or chemical energy are an armature, a permanent magnet, an electromagnet brushes, and slip rings.
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Answer:
armature
permanent magnet
electromagnet
brushes
slip rings
Explanation:
edge 2022-2023
Two equivalent sinusoidal waves travel toward each other on a spring they interfere. What if the waves traveling toward each other aren't sinusoidal but a series of pulses as seen in the picture? What effect does this have on the spring?
Answer:
Superposition would take place
Explanation:
The waves would interfere with one another either in the form of Constructive Interference or Destructive Interference.
16. By how much leeway (both percentage and mass) would you have in the selection of the mass of the object in the previous problem if you did not wish the new period to be greater than 2.01 s or less than 1.99 s?
Please show all of your work.
Here is the solution for previous question
[tex]\\ \rm\rightarrowtail T=2\pi\sqrt{\dfrac{m}{k}}[/tex]
[tex]\\ \rm\rightarrowtail T\propto \sqrt{m}[/tex]
Hence
[tex]\\ \rm\rightarrowtail \dfrac{T_1}{T_2}=\sqrt{\dfrac{m1}{m2}}[/tex]
[tex]\\ \rm\rightarrowtail \dfrac{1.5}{2}=\sqrt{\dfrac{0.5}{m2}}[/tex]
[tex]\\ \rm\rightarrowtail 0.75^2=\dfrac{0.5}{m2}[/tex]
[tex]\\ \rm\rightarrowtail m_2=\dfrac{0.5}{0.75^2}[/tex]
[tex]\\ \rm\rightarrowtail m_2=0.888888888\dots[/tex]
So
from this
So it's infinite in terms of 8 so must be greter than one 8
We rounded it up for 3 decimals
0.889kgSo
Error range=[1.99,2.01]
∆Error=2.01-1.99=0.02Very mere one
Now find percentage
[tex]\\ \rm\rightarrowtail \dfrac{0.02}{2}(100)=0.01(100)=1\%[/tex]
Mass should be lied in
0.01(0.889)=0.00889 kgBut for increase mass
it would be
0.00889-0.00500=0.00389kgThe free-body diagram below represents all the forces acting on an object. What is the net force acting on this object?
300 N right
100 N down
0 N up
200 N right
Answer:
200 N Right
Explanation:
The 50 up and 50 down balance or 'cancel' each other
then you only have the 200 N to the right
Why would the force of gravity change between the earth and sun when the mass of the earth increased
Help please. Will give brainliest
Answer:
Your answer would be:
B.) Both carry energy in the form of vibration
Explanation:
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After a massive-star supernova, what is left behind?.
Answer: A Nebula is left behind. A spectacular explosion in which a star ejects most of its mass in a violently expanding cloud of debris.
Hope this helps!
1. A 30-kg child is spinning horizontally in a ride with a
centripetal acceleration of 10 m/s/s. How many newtons
of centripetal force are acting on her?
Answer:
300newtons of centripetal force
Explanation:
Force is mathematically expressed as mass×acceleration due to gravity
Mass of child equals 30kg
Acceleration due to gravity equals 10m/s²
Force is unknown so we restate formula & fix in the quantities
∴Force equals mass×acceleration due to gravity
(representing force by f,mass by m & acceleration...gravity by g)not always necessary
So f equals m×g(fix in values)
f equals 30kg×10m/s²
f equals 300newtons
∴The centripetal force acting on her is 300newtons
A light-year is a unit of measurement that would most appropriately be used to measure which distance?
a. Between two galaxies b. Between Earth and Jupiter c. Between Earth and the sun d. Between the moon and Earth
A light-year is a unit of measurement which is used to measure distance between the Earth and the sun.
What is Light year?This is defined as the distance light travels in the time it takes the Earth to orbit the Sun.
It is also the distance a beam of light travels in a single earth year which is why option C was chosen as the most appropriate choice.
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What does the text mean when it says “naming an elements is like creating history
Answer: When you name an element, it's usually because the element is newly discovered. So by naming an element you are creating something that will last throughout history.
Explanation:
1. What is one way that light waves differ from sound waves?
A. Light waves all have the same frequency..
B. Light waves travel by oscillation.
C. Light waves do not require a medium to propagate.
D. Light waves transfer energy.
2. Which best explains why high frequency electromagnetic waves are more likely to cause harm to living things?(1 point)
A. As a wave's frequency increases, more energy is carried by the wave in a given time period.
B. As a wave's frequency increases, less energy is carried by the wave in a given time period.
C. As a wave's frequency increases, a constant energy is carried by the wave in a given time period.
D. As a wave's frequency increases, the energy carried by the wave in a given time period is equal to zero.
3. How do the frequencies and the speeds of yellow light and blue light compare?
This is defined as a propagation of disturbances from place to place in a regular and organized way.
The answers provided above are therefore the most appropriate choices in this scenario.
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Answer: Light waves do not require a medium to propagate and As a wave's frequency increases, more energy is carried by the wave in a given time period.
Explanation:
What is the moons gravity
Answer:
The moons gravity is 1.62 m/s²
help me with this one aswell, too confused and tired for this
Hello people ~
Sound is a kind of
(a) work
(b) energy
(c) force
(d) pressure
Answer:
B. Energy
Explanation:
Sound is a kind of energy. In physics, sound is seen as anenergy that is generated through vibrations
Answer:
Energy
Explanation:
Sound is generated through the collison of atoms or particles .It travels through air,water,solid surfaces .Sound has its speed 344m/s in air.If a 2.00 kg ball is thrown straight up world and its maximum height is 25.51 m. Approximately how much potential energy (PE) dose the ball possess when it reaches it’s maximum height (g=9.8 m/s^2)
Answer:
500
Explanation:
im not sure if this is right but if its not im very sorry and i hope you have a great day or night wherever you are
Thermal energy is transferred between objects when they have?
A. the same mass
B. different temperatures
C. the same kinetic energy
Answer:
B. different temperatures
Explanation:
Thats how they transfer energy because if one object is hotter then the other, the heat can still be transfer to the other object and make their temperatures the same
In your own words describe the physiological significance of the fev1/fvc ratio
Answer:
if you doctor suspect that you have COPD , they will calculate your fev1/fvc ratio . this represent the percentage of your lung capacity that you can explain in one second. the higher your percentage , the larger your lung capacity and the healthier your lungs
The ratio [tex]\frac{FEV1}{FVC}[/tex] indicates the diameter of an airway. The greater the value, the more quickly air can pass through the airway.
What is lung volume?The volume of air in the lungs at different stages of the respiratory cycle is referred to as lung volumes and lung capacities. An adult human male's entire lung capacity is around 6 liters of air.
The ratio [tex]\frac{FEV1}{FVC}[/tex] indicates the diameter of an airway. The greater the value, the more quickly air can pass through the airway. As a result, the lower the resistance, the broader the airway becomes.
Hence the lower the resistance, the broader the airway becomes.
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A coffee filter of mass 1.3 grams dropped from a height of 3 m reaches the ground with a speed of 0.5 m/s. How much kinetic energy Kair did the air molecules gain from the falling coffee filter
Answer: .0380575J
Explanation:
The coffee filter originally only had potential energy, which can be found by:
PE = m * g * h → PE = .0013 * 9.8 * 3 = .03822 J
*Note the mass must be in kg!!!
All of this energy should be converted to kinetic energy, but the air molecules take some of the energy; the energy they gain can be found by finding how much energy the filter has at the bottom of its fall, and subtracting this from the original energy to see how much was lost;
All of the energy at the bottom equals kinetic energy, which can be found by:
KE = 1/2 * m * v^2 → KE = 1/2 * .0013 * .5^2 = .0001625 J
Thus, the air gained .03822 - .0001625 = .0380575J :)
how do the properties of waves correspond with observations of waves?
Answer:
no sabo por q no mi entender
When a car is struck by lightning, the resulting electric field inside the car is.
Answer: When a car is struck by lightning, the resulting electric field inside the car is zero.
Explanation:
Three 20W resistors are connected in series across a 120 V generator. What is the total resistance of the circuit and what current flows in the circuit?
The total resistance and current flowing through the circuit is equal to 60 Ohms and 2 Amperes respectively.
Given the following data:
Resistors = 20 Ohms.
Voltage = 120 Volts.
How to determine the total resistance.Since the three resistors are connected in series, we would calculate their total resistance by adding them up as follows:
RT = R1 + R2 + R3
RT = 20 + 20 + 20
RT = 60 Ohms.
Next, we would determine the current that is flowing through the circuit by applying Ohm's law.
From Ohm's law, we have:
V = IR
I = V/R
I = 120/60
I = 2 Amperes.
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What is the average angular speed of the grindstone 10 rad/s
Answer:
avg w= (delta theta)/delta T = (10 rad/s - 8 rad/s) / (4 s-0) = .5 rad/s Vt= r * avg w = 4m * .5 rad/s = 2 rad/s
which thermometer one containing mercury or one containing alcohol, could be used in a polar region where the temperature reaches below -40 degrees?
2 eggs cook in a frying pan, which is sitting over a gas burner. Is thermal energy being transferred from the metal pan to the eggs by radiation in this image? Why or why not?
Answer:
No, the eggs are in direct contact with the metal pan, which is in direct contact with the gas flame, so this is conduction, not radiation
Reasons:
-Thermal energy is being transferred by conduction.
-Radiation transfers thermal energy by electromagnetic waves.
-Radiation does not transfer thermal energy by direct contact.
Radiation heat transfer is a process where heatwaves are emitted that may be absorbed, reflected, or transmitted through a colder "body". Sun heats the earth by electromagnetic waves. The sun does not come in physical contact with the Earth to transfer heat. (In my opinion, the Earth touching the sun would not be on my to-do list.)
Explanation:
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The earliest stage of a star’s life before it begins to undergo fusion is known as:
Answer:
A protostar is the earliest stage of a star's life. A star is born when the gas and dust from a nebula become so hot that nuclear fusion starts.
The origin of star is called nebula. The earliest stage of a star’s life before it begins to undergo fusion is known as a protostar.
What is the earlier stage of star ?Every star begins from nebula. A nebula is a huge gas and dust cloud. Some of the gas and dust in a nebula can be drawn together by gravity. The cloud's contraction is then described as a protostar. The first stage of a star's life is called a protostar.
As the gas and dust from a nebula heat up to a point where nuclear fusion begins, a star is created. A star is referred to as a main sequence star once it has "switched on". A main sequence star turns into a red giant or a red super giant when its hydrogen fuel runs exhausted.
An exploding red super massive star is possible. It is referred to be a supernova. After the star explodes, some of the ingredients from the star are left behind. Hence, the earlier stage of a star before fusion starts is called a protostar.
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What is current of 12 ohm? help me pleasee
Answer:
the current of 12 ohm is 2Amps
The value of gravitational pull on the moon is 1.6m/s/s. what is the weight of a 85kg astronaut on the moon?
weight=
mass=
gravity=
formula:
substitution:
answer:
Explanation:
Gravity = 1.6 m/s^2
Mass = 85 kg
Full infomation needed your question is incomplete and BTW fomula : G Mm
R^2
2. What is the difference between electric potential energy and gravitational potential energy? Name one
example of an object having one type of potential energy but not the other.
Gravitational potential energy is an energy acquired by an object due to a change in its height when it is present in a gravitational field. It is denoted by P or U. and it its expressed in joule. Gravitational potential energy is given by U = mgh where m is the mass of the object, g is acceleration due to gravity and h is the height.
when we take an object of mass m to a certain height in the field of gravitation, we can say that body has potential energy and we release that body from that height, it falls.
Electric potential energy is the energy that is needed to move a charge against the electric field.
Electric Potential Energy is given by,
[tex]U_E = k \frac{q_1q_2}{r}[/tex] where k is dielectric constant, q is charge r is the distance.
Electric Potential Energy is the potential energy stored against electric field. it exist around the charged particle.
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Control rods are used to slow down the reaction in the reactor core when the core becomes too hot. please select the best answer from the choices provided t f
In nuclear reactors, control rods are used because reactions that occur in a nuclear reactor are highly exothermic in nature.
What is a nuclear reactor?A nuclear reactor is an apparatus or structure in which radioactive material can be made to undergo a commanded, self-sufficient nuclear reaction with the resultant release of energy.
Therefore, when these control rods are infused in a nuclear reactor, than it absorbs the neutrons and helps to control the chain reaction. As a result, the rate of chain reaction gets in control.
Thus, we can conclude that the statement control rods are used to slow down the reaction in the reactor core when the core becomes too hot is a true statement.
Thus In nuclear reactors, control rods are used because reactions that occur in a nuclear reactor are highly exothermic in nature.
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Answer:
TRUE ( T )
Explanation:
Just took the test on edge
The term group polarization refers to the tendency for.
Polarization refers to the tendency for acquiring specific orientation by the oscillation.
What is polarization?Polarization is a property that specifies the geometrical orientation of the oscillations. In a transverse wave, the direction of the oscillation is perpendicular as compared to other that have parallel.
So we can conclude that Polarization refers to the tendency for acquiring specific orientation by the oscillation.
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Who developed the principle of whenever 2 objects come into contact with one another, materials are exchanged between them?.
Answer:
Edmond Locard
Explanation:
Hope this helps :)