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Alex Ar [27]
3 years ago
15

Find the magnitude of the electric force on a 2.0 uC charge in a 100n/C electric field.

Physics
1 answer:
Eva8 [605]3 years ago
4 0

Answer:

Electric force will be equal to 2\times 10^{-4}N

Explanation:

We have given charge q=2\mu C=2\times 10^{-6}C

Electric field will be E=100N/C

We have to find the magnitude of force

Electric force is the multiplication of electric field and charge

So electric force F=qE=2\times 10^{-6}\times 100=2\times 10^{-4}N

Electric force will be equal to 2\times 10^{-4}N

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An electrical motor spins at a constant 1975.0 rpm. If the armature radius is 7.112 cm, what is the acceleration of the edge of
stealth61 [152]

Answer:

Option D is the correct answer.

Explanation:

Since value of angular acceleration is constant, the body has only centripetal acceleration.

Centripetal acceleration

               a=\frac{v^2}{r}=\frac{(r\omega )^2}{r}=r\omega ^2

We have radius = 7.112 cm = 0.07112 m

Frequency, f = 1975 rpm = 32.92 rps

Angular frequency, ω = 2πf = 2 x π x 32.92 = 206.82 rad/s

Substituting in centripetal acceleration equation,

              a=r\omega ^2=0.07112\times 206.82^2=3042.17m/s^2

Option D is the correct answer.                

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4 years ago
The rocket now has a thruster that malfunctions and is now pushing the rocket in the wrong direction. What is the new net force
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Answer:

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Explanation:

3 0
3 years ago
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WHY does an acceleration cause velocity to increase
harkovskaia [24]

Answer:

When the velocity of an object changes it is said to be accelerating. Acceleration is the rate of change of velocity with time. ... Acceleration occurs anytime an object's speed increases or decreases, or it changes direction.

5 0
3 years ago
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Which of the following statements about galaxies is true? A. Galaxies typically contain millions of stars. B. Galaxies actually
Sloan [31]

the answer is D i took the quiz so it is definitely D  

6 0
3 years ago
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If 270 watts of power is used in 42 seconds, how much work was done<br>​
navik [9.2K]

Answer: W = 11340J

Explanation:

Hey there! I will give the following steps, if you have any questions feel free to ask me in the comments below.

So this is the Formula: Power = Work / Time.

<u>Step 1:</u><em><u> Find the Formula</u></em>

P = W / T

<em><u> </u></em>

<u>Step 2: </u><u><em>Make W the subject of the equation.</em></u>

W = PT

<u>Step 3:</u><u> </u><u><em>Given.</em></u>

P = 270 Watts, T = 42 seconds

<u>Step 4:</u><u><em> Substitute these values into equation 2 .</em></u>

W = 270(42)

<u>Step 5:</u><u> </u><u><em>Simplify.</em></u>

W = 11340J

The amount of work done was 11340.

~I hope I helped you! :)~

4 0
4 years ago
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