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Vedmedyk [2.9K]
3 years ago
14

What is the magnitude of the electrostatic force between two electrons each having a charge of 1.6 x 10-19 C separated by a dist

ance of 1.00 × l0– 8 meter?
Physics
1 answer:
Ivenika [448]3 years ago
7 0

Answer:

fe =  \frac{9 \times 10 {}^{9} \times 1.6 \times 10 {}^{ - 19}  \times 1.6 \times 10 { - 19}^{?}  }{(1 \times 10 { }^{ - 8}) {}^{2} }  \\ fe = 23.04 \times 10 {}^{ - 13} n

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A robot arm that controls the position of a video camera in an automated surveillance system is manipulated by a servo motor tha
lesya [120]

Answer:

W = 270.9 J

Explanation:

given,  

F(x) = (12.9 N/m²) x²  

work = Force x displacement  

dW = F  .dx  

the push-rod moves from x₁= 1 m to x₂ = 4 m

integrating the above  

\int dW = \int_{x_1}^{x_2}F. dx

W = \int_{x_1}^{x_2}F. dx

W = \int_{1}^{4} (12.9 x^2) dx

W = 12.9\times [\dfrac{x^3}{3}]_1^4 dx

`W = 12.9\times [\dfrac{4^3}{3}-\dfrac{1^3}{3}] dx

W = 270.9 J

work done by the motor is W = 270.9 J

6 0
3 years ago
What is the potential difference between the plates of a 3.7-f capacitor that stores sufficient energy to operate a 75.0-w light
Elena L [17]

The potential difference between the plates will be 1552 Volts.

<h3>What is a potential difference?</h3>

Voltage, or the difference in electric potential between two points, is defined as the amount of labor per unit of charge needed to move a test charge between the two points.

Given that a 3.7-f capacitor that stores sufficient energy to operate a 75.0-w

The potential difference will be calculated by the formula below:-

Q = I t            

Where I = charge / time

Q = V * C    

V C = I t

V = I t / C

V = 75 C/s x 60 sec / 2.9 faraday

V =  1552 Volts

To know more about potential differences follow

brainly.com/question/25923373

#SPJ4

4 0
1 year ago
Juri is tugging her wagon behind her on the way to... wherever her wagon needs to go. The wagon repair shop. She has a trek ahea
vitfil [10]

Answer:

W = 819152 J = 819.15 KJ

Explanation:

The work done by Juri can be given by the following formula:

W = FdCos\theta

where,

W = Work done = ?

F = Force = 200 N

d = distance = 5 km = 5000 m

θ = angle to horizontal = 35°

Therefore,

W = (200 N)(5000 m)Cos 35°

<u>W = 819152 J = 819.15 KJ</u>

5 0
3 years ago
Pressure and temperature ______ with depth below Earth’s surface.
ivolga24 [154]

Answer:

Pressure increases as you move deeper below earth's surface.

Tempurature  increases as you move deeper below earth's surface.

Hope this helps!

Explanation:

3 0
4 years ago
Whenever a musician plays a guitar, they pluck one of the guitar strings to produce a standing wave in the string. Then pinch do
UkoKoshka [18]

Answer:

It's due to the distance from either ends of strings origin...

Explanation:

As we know that waves behave moving in a flow from one side to another side and this gives a prospective of motion. Suppose a wave is pinched from the near one end of a guitar then due to the distortion created by the point of tie of strings the wave super imposes and moves with a velocity v and produces a wave frequency f. as we the pinching go down to the center the wave stabilizes itself to a stationary origin right at the center and the frequency then changes accordingly as moving down on the string.

7 0
3 years ago
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