I believe the answer is 16.
Have a blessed day!
is this right lol i think it is but im not so sure XD
[tex]\bold{Heya!}[/tex]
Yup. your answer is correct!
→ EXPLANATION :-1. just put the numbers in order [tex]^1^6^, ^1^8^,^2^3^,^2^4^,^2^9^,^3^0[/tex]2. Cross off high/low pairs, we left with the numbers :-[tex]23,24.[/tex]
3. Add the leftover numbers.[tex]23 \: + 24 = 47.[/tex]
Divide the sum of 2.[tex]\frac{47}{2} = 23.5[/tex]
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[tex]\underline{Answer :}[/tex]
Jaceysan ~
Answer:
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Help please!
An object of mass m is oscillating with a period T. The position x of the object as a function of time is given by the equation x(t)=Acosωt . The maximum net force exerted on the object while it is oscillating has a magnitude F. Which of the following expressions is correct for the maximum speed of the object during its motion?
The correct expression for the maximum speed of the object during its motion is [tex]\frac{FT}{m}[/tex].
Maximum speed of the objectThe maximum speed of the object is determined using the following formulas;
v(max) = Aω
where;
A is the amplitude of the motionω is angular speedThe maximum speed of the object can also be obtained from the maximum net force on the object,
F = ma
where;
F is the maximum net forcea is the accelerationm is mass of the objectF = m(v/t)
mv = Ft
v = Ft/m
Thus, the correct expression for the maximum speed of the object during its motion is [tex]\frac{FT}{m}[/tex].
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Answer:
[tex]\frac{FT^{2} }{4\pi ^{2} }[/tex]
Explanation:
I just finished the AP Physics Exam and the other answer got the question wrong.
4. A swimming pool has dimensions 30 meters by 10 meters and a flat bottom. When the pool is filled to a depth of 2 meters with fresh water, what is the total force due to the water on the bottom?
Answer:
The force exerted by fresh water at the bottom is [tex]5.88*10^6Nm^2[/tex]
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A system of four capacitors is connected across a 90-V voltage source as shown in the figure.
(a) What is the potential difference across the plates of the 6.0-µF capacitor? (b) What is the charge on the 2.0-µF capacitor?
For a system of four capacitors is connected across a 90-V voltage source, the potential difference across the plates of the 6.0-µF and 2uF capacitors is mathematically given as
a) vd=30v
b) Q=119.7uc
What is the potential difference across the plates of the 6.0-µF and 2uF capacitors?Generally, the equation for the charge across 6uf is mathematically given as
Q=C6Vd
Where
1/c36=1/3+1/6
c36=2
Q3=2*90
Q3=180
Therefore
vd=180/6
vd=30v
In conclusion
1/c24=1/2+1/4
C24=1.33uf
Q2=1.33*90
Q=119.7uc
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A constant force of 10N is applied to a 2−kg crate on a rough surface that is sitting on it. The crate undergoes a frictional force against the force that moves it over the surface. (a) Assuming the coefficient of friction is \mu_k=0.24μ k =0.24, find the magnitude of the friction force opposes the motion?(b) What is the net force on the
WITH EXPLANATION PLEASE.
Answer:
Explanation:
The kinetic friction between crate and the surface can be calculated as follows: [tex]f_{k}=\mu_{k}N=\mu_{k}mg=(0.24)(2)(10)=4.8 N[/tex]
Assume that the direction of the 10 N constant force is on the right, the kinetic friction will go the left, then:
[tex]\sum F=F_{net}=F-f_{k}=10-4.8=5.2 N[/tex]
A constant force of 10 N is applied to a crate of mass 2 kg on a rough surface, then the net force on the crate is 5.2 N
What is friction?Friction is the resistance to a thing sliding or rolling over another solid object. Although frictional forces can be helpful, such as the traction required to walk without sliding, they also provide a significant level of resistance to motion.
The forces of attraction, also called as adhesion, between both the contact zones of the surfaces, that are always microscopically uneven, seem to be the main contributor to friction among metals.
These "welded" joints are sheared, and friction is created by the irregularities of a harder surface scuffing down against the softer surface.
From the given data in the question,
Firstly, calculate the friction between the crate and the surface,
[tex]f_k\\[/tex] = [tex]\mu_k[/tex]mg
= (0.24)(2)(10)
= 4.8 N
Now, let's calculate the net force,
ΣF = F(N) = F - [tex]f_k[/tex]
= 10 - 7.8
= 5.2 N
Therefore, the net force will be equal to 5.2 N.
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student asserted that a suitable unit of specific heat capacity is m²/s²°c .is he correct ? why or why not
Answer:
Socratic app
Explanation:
it will help you
1- Show that the equation d=vt2
dimensionally correct or not?
A particle (q = +5.0 µC) is released from rest when it is 2.0 m from a charged particle which is held at
rest. After the positively charged particle has moved 1.0 m toward the fixed particle, it has a kinetic
energy of 50 mJ. What is the charge on the fixed particle?
a. –2.2 µC
b. +6.7 µC
c. –2.7 µC
d. +8.0 µC
e. –1.1 µC
The kinetic energy of the charged particle is equal to the work done to bring it from the distance of 1 m. Hence, the total electric force here is 0.025 N. Therefore, the charge on the fixed particle is approximately + 6.7 µC.
What is Coulomb's law ?According Coulomb's law the electrostatic force between two charges is given by ,
F = k q1 q2 /r²
Where q1 and q2 be the charges and r be the distance between them, k be the constant equal to 8 × 10⁹ N m²/C².
Given q1 = + 5 µC
r = 1 m.
the kinetic energy in bringing the charge of 5 µC from 2 m is given 50 mJ.
then F = 0.05 J/2 m = 0.025 N
Then q2 = F r²/ (q1 K)
q2 = 0.025 N / ( + 5 µC × 8 × 10⁹ N m²/C²)
= 6 µC.
Therefore, option b is the approximate charge of the fixed particle.
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- A teenage male is removing clothes from the dryer and is having difficulty because the items are
sticking together.
-What force is causing the clothes to stick together?
-What two factors in the dryer operation has produced this situation?
-What will misting the clothes with a light spray of water do?
We can confirm that the clothes are sticking together due to static forces created by the heat and friction of the dryer.
How will water help with this situation?The clothes are stuck together due to static forces that arise when these materials are heated and the friction from the dryer cycle. Adding a light spray of water can help with this situation given that water is a strong conductor of electricity, which will help to dispel the charges that hold the clothes together.
Therefore, we can confirm that clothes are sticking together due to static forces created by the heat and friction of the dryer, which a light spray of water can help to dispel and separate the clothes.
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at 27 degrees C and 750 mmhg a sample of hydrogen occupies 5.0 L how much space will occupy at STP
Answer:
Explanation:
The number of mole of the hydrogen sample at 27 C and 750 mmHg pressure is:
[tex]n=\frac{PV}{RT}=\frac{(0.9898\times 10^{5})(5\times 10^{-3})}{(8.314)(27+273)}\approx 0.0198[/tex] mol
This number of mole will be the same although we change the pressure and temperature. For STP (Temperature = 0 C = 273 K, and Pressure = 760 mmHg = 76 cmHg = 1 Bar = 1.01 x [tex]10^{5}[/tex] Pa):
[tex]P'V'=nRT' \rightarrow V'=\frac{nRT'}{P'}=\frac{0.0198(8.314)(273)}{1.01\times 10^{5}}\approx 44.49 \times 10^{-5}[/tex] in [tex]m^{3}[/tex]. But in L, we find that V' = 0.4449 L
Give Reason during change of state,the temperature remains constant
Answer:
the substance has lost or gained an ion
Explanation:
I say substance be cause I'm referring to the item are the same are similar to the substances that make up make matter like the ones on the periodic table!
Females are theoretically more prone to anxiety disorders due to __________. A. their habit of overreacting to physiological changes B. the high levels of serotonin causing hormone imbalance C. increased levels of norepinephrine causing anxiety sensitivity D. stress levels, life experiences, and friends’ stresses Please select the best answer from the choices provided A B C D
Answer:
fluctuations in the levels of female reproductive hormones
Explanation:
Women are more prone to anxiety due to a variety of biological, psychological, and cultural factors. Although the exact cause is unknown, recent research suggests that fluctuations in the levels of female reproductive hormones and cycles play an important role in women's enhanced vulnerability to anxiety.
Answer: D. stress levels, life experiences, and friends’ stresses
Explanation:
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How are stationary waves formed on a string?
Answer:
hey, please open my account and see my question, please help me solve the task, I have to send it to the teacher soon.
Answer:
When waves are generated and they reflect off a fixed end, the reflected waves are completely out of phase. The reflected waves and the incident waves interfere with each other along the path and results in the formation of nodes and anti-nodes. Nodes are points of completely out of phase interference and anti-nodes are points of completely in phase interference.
Microphones are used to convert sound vibrations to electrical signals. In one kind of microphone, sound waves move a coil of wire up and down in a magnetic field, as shown in (Figure 1). The coil shown has a diameter of 1.4 cm and has 100 turns; the 0.010 T magnetic field points radially out from the north pole to the south.
If the microphone's emf at some instant is 10 mV , what is the speed of the coil?
The speed of coil of the microphone is 0.227 m/s
What is a Microphones?
A microphone is a device used to transmit sound energy through electrical energy. it makes use of magnetic fields whose strength is measures in Tesla
Given data
D = 1.4cm = 0.014m
N = 100
B = 0.010T
emf = 10mV
speed = dx / dt = ?
solution
emf = N dΦ / dt
Φ = BA
A = 2 pi R x
R = D / 2 = 0.014 / 2 = 0.007
emf = N d ( B 2 pi R x ) / dt
emf = N B 2 pi R dx / dt
and dx / dt = speed
speed = emf / N B 2 pi R
speed = 10 * 10 ^ -3 / ( 100 * 0.010 * 2 * 3.142 * 0.007)
speed = 10 * 10 ^ -3 / ( 0.043988 )
speed = 0.227 m/s
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ε = vLB
v - velocity = ?
ε - emf = 10mV = 0.01V
B - magnetic field = 0.010 T
L - length of wire = find
Find L
N - turns of wire = 100
d = diameter = 1.4 cm = 0.014 m
L = circumference of 1 turn of wire * # of turns of wire
L = 2πr * N
L = πdN
L = π * 0.014 m * 100
L = 1.4π m
Return to main equation
ε = vLB
[tex]v = \frac{\epsilon}{LB}[/tex]
[tex]v = \frac{0.01}{(1.4\pi)*(0.010)}[/tex]
v = 0.227 m/s
The force of a hammer drives a nail into wood. This is an example of. A. An unbalanced force. B. Gravitational force. C. Friction. D. Balanced forces
Answer:
What i got was A. An unbalanced force.
Hope This Helps
a current of 180 mini amphere passes through a conductor for 5minute calculate the quantity of electricity transported
Answer:
Explanation:
You can calculate the total electric charge that passes through the conductor as [tex]q=It=(180\times 10^{-3})(5\times 60)= 54 C[/tex]. It means that the number of electron that passes through the conductor is:
[tex]n=\frac{q}{e}=\frac{54}{1.6\times 10^{-19}}=33.75\times 10^{19}[/tex]
Once you have possession of the disk, you can run only 5 steps before you have to pass it to a teammate.
true
false
Answer:
If this is for Ultimate Frisbee, then FALSE
Explanation:
According to the rules, "In order for the disc to go from one player to another, it must at some time be in the air. No player may walk, run, or take steps in possession of the disc. The momentum of the receiver, however, must be taken into consideration." (crec.unl.edu) This means that if the player is already moving, they may take a maximum of two steps to come to a stop. (www.csun.edu).
.
.
.
Hope that helps?
A ray of light passes symmetrically through on equilateral prism of refractive index 1.5. determine
the angel of incidence for which the minimum deviation can occur
Answer:
[tex] Angle \: at \: which \: minimum \: deviation \: occur = 37.18\degree[/tex]
Explanation:
Given:
Refractive index of prism μ = 1.5
Since the prism is equilateral,
Angle of prism A= 60°
To find:
Angel of incidence for which minimum deviation can occur(δm) ?
Solution:
We know that,
The refractive index, Angle of prism and angle of minimum deviation are correlated with formula,
[tex]\mu \: = \frac{sin( \frac{A + \delta_m}{2} )}{sin \frac{A}{2} } [/tex]
Where symbols have their usual meaning.
Substituting the value from given data in formula,
[tex] \mu \: = \frac{sin( \frac{A + \delta_m}{2} )}{sin \frac{A}{2} } \\1.5\: = \frac{sin( \frac{60 + \delta_m}{2} )}{sin \frac{60}{2} } \\ {sin( \frac{60 + \delta_m}{2} )} = 1.5 \times sin30 \\ {sin( \frac{60 + \delta_m}{2} )} = 1.5 \times 0.5 \\ {sin( \frac{60 + \delta_m}{2} )} = 0.75 \\ \frac{60 + \delta_m}{2} = {sin}^{ - 1}(0.75) \\ \frac{60 + \delta_m}{2} = 48.59 \: \degree \\ \delta_m = (48.59 \times 2) - 60\degree \\ \delta_m = (48.59 \times 2) - 60\degree \\ \delta_m = (97.18 - 60)\degree \\ \delta_m = 37.18\degree[/tex]
[tex] Angle \: at \: which \: minimum \: deviation \: occur = 37.18\degree[/tex]
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what is the centripetal acceleration of an air plug on a car tire 250 rpm raduius of 0.45 m
The magnitude of the centripetal acceleration of the air plug on a car tire is 308.43 m/s².
What is centripetal acceleration?
Centripetal acceleration of an object is the rate of change of object's velocity with time, and it is directed inwards.
The magnitude of the centripetal acceleration of the air plug on a car tire is calculated as follows;
ac = ω²r
where;
ω angular speed (rad/s)r is radius of the tireAngular speed in radian per second[tex]\omega = 250 \ \frac{rev}{\min} \times \frac{2\pi \ rad}{1 \ rev} \times \frac{1 \min}{60 \ s} \\\\\omega = 26.18 \ rad/s[/tex]
ac = (26.18)² x 0.45
ac = 308.43 m/s²
Thus, the magnitude of the centripetal acceleration of the air plug on a car tire is 308.43 m/s².
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All forces on the bullets cancel so that the net force on a bullet is zero, which means the bullet has zero acceleration and is in a state known as?
a. collision
b. equilibrium
c. momentum
d. parallel vectors
Answer:
its b equilibrium
Explanation:
trust
An example of a natural electric field is thunder or lightning
Answer:
Lightning
Explanation:
Lightning during a thunderstorm is an example of electrical energy. It is the visible discharge of atmospheric electricity. As lightning heats the air, it creates a shock wave that causes the sound of thunder.
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I will give brainlisted for the correct answer!
I need help with my earth and space science, ASAP! can someone please help?
Answer:
from what i got it is B
Hope This Helps
can i get some help please
Answer:
B. They reproduce
Explanation:
Both arent made up of one cell, and both arent made up of mutliple cells. Only some unicellular and multicellular organisms are infectious.
Answer:
Your answer would be:
B.) They reproduce.
Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, while multicellular organisms use many different cells to function. Multicellular organisms are composed of more than one cell, with groups of cells differentiating to take on specialized functions.
Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism. Multicellular organisms use many different cells to function.
Unicellular organisms are single-celled.
Multicellular organisms are multi-celled.
However, both reproduce.
Explanation:
Have a great rest of your day
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Calculate the capacitance of capacitor having 5V voltage and energy of 40J.
Can objects (aside from light/photons) travel the same speed or faster than the speed of light and still have Special Relativity work? Why or why not?
Answer:
who can apply for the award
Which of the following scenarios will generate electricity using electromagnetic induction?
A. a highly conductive meatal moving within magnetic field
B. a changing magnetic field surrounded by plastic wires
C. electricity Being applied to a magnet
Answer:
A generates electricity, the others do not
Explanation:
8. A turtle crawls along a straight line, which we will call the x-axis with the positive direction to the right. The equation for the turtle's position as a function of time is x(t) = 5.0 cm + (4.00 cm/s) - (0.625 cm/s2)t2. (a) Find the turtle's initial velocity, initial position, and initial acceleration. (b) At what time is the velocity of the turtle zero? (c) How long after starting does it take the turtle to return to its starting point? (d) At what times t is the turtle a distance of 30.00 cm from its starting point? What is the velocity at each of these times?
(a) The turtle's initial velocity is 4 m/s, initial position of the turtle is 5 cm, and initial acceleration is -1.25 m/s².
(b) The time when the velocity of the turtle is zero is 3.2 s.
(c) The time taken for the turtle to return to its starting point is 6.4 s.
(d) The time taken for the turtle to travel 30 cm is 0.08 s.
Initial velocity of the turtleThe initial velocity of the turtle is calculated as follows;
[tex]v = \frac{dx}{dt} \\\\x = 5 + 4t -0.625t^2\\\\v(t) = 4 - 1.25t\\\\v(0) = 4-0\\\\v(0) = 4 \ m/s[/tex]
Initial acceleration of the turtleThe initial acceleration of the turtle is calculated as follows;
[tex]a = \frac{dv}{dt} \\\\v(t) = 4 - 1.25t\\\\a = -1.25\ m/s^2[/tex]
Initial position of the turtlex(t) = 5 + 4t - 0.625t²
x(0) = 5 cm
Time when the velocity becomes zerov(t) = 4 - 1.25t
0 = 4 - 1.25t
1.25t = 4
t = 4/1.25
t = 3.2 s
Time taken to return to starting pointThe total distance traveled is calculated as follows
v² = u² + 2ad
0 = (4)² + 2(-1.25)d
0 = 16 - 2.5d
2.5d = 16
d = 16/2.5
d = 6.4 m
Time to travel the given distance;
d = ut + ¹/₂at²
6.4 = (4)t + ¹/₂(-1.25)t²
6.4 = 4t - 0.625t²
0.625t² - 4t + 6.4 = 0
solve the quadratic equation using formula method;
t = 3.2 s
The time travel the distance two times, = 2 x 3.2 s = 6.4 s
Time taken for the turtle to travel 30 cmd = ut + ¹/₂at²
0.3 = (4)t + ¹/₂(-1.25)t²
0.3 = 4t - 0.625t²
0.625t² - 4t + 0.3 = 0
solve the quadratic equation using formula method;
t = 0.08 s
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A boat sails for 80 minutes and travels 3.6km. What was its average speed in m/s?
Answer:
Explanation:
The average speed of the boat:
[tex]\bar{v}=\frac{s}{t}=\frac{3.6}{80}=0.045[/tex] km/min
But if you want to change the unit into m/s, you only take this way:
[tex]0.045 \frac{km}{min}=\frac{0.045\times 1000}{60}=0.75[/tex] in m/s.
The average speed of the boat will be approximately 0.75 m/s.
What is Average speed?
Average speed is the rate of change of change of distance covered with time.
Given is a boat that sails for 80 minutes and travels 3.6 Km.
Distance covered by the boat [ΔD] = 3.6 Km = 3600 m
Time taken [Δt] = 80 minutes = 80 x 60 = 4800 s
Now, we can calculate the average speed using the formula -
s = ΔD/Δt
s = 3600/4800
s = 36/48
s = 0.75 m/s
Therefore, the average speed of the boat will be approximately 0.75 m/s.
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What do radio waves, microwaves, light, and X-rays have in common
Answer:
They are all electromagnetic waves, electric and magnetic fields that oscillate together, perpendicular to each other