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Ratling [72]
3 years ago
12

The discussion of the electric field between two parallel conducting plates, in this module states that edge effects are less im

portant if the plates are close together. What does close mean? That is, is the actual plate separation crucial, or is the ratio of plate separation to plate area crucial?
Physics
1 answer:
NemiM [27]3 years ago
4 0
It depends what the volume of the plate is
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A force of 6.0 Newton’s gives a 2.0kg block an acceleration of 3.0m/s to the right. The force of friction acting on the block is
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L 3.2.3 Quiz: Friction
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Answer:

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4 years ago
A 5.00-kg object is initially at rest. The object is acted on by a 9.00-N force toward the east for 3.00 s. No force acts on the
olya-2409 [2.1K]

Answer:

The total distance at 7 s is:

x_{tot}=27\: m

Explanation:

<u>Distance due to the force</u>

We can use second Newton's law to find the acceleration.

F=ma

a=\frac{F}{m}=\frac{9}{5}=1.8\: m/s^{2}

Now, using the kinematic equation we will find the distance during this interval of time. Let's recall that the initial velocity is zero.

x_{1}=0.5at_{1}^{2}

x_{1}=0.5(1.8)(3)^{2}

x_{1}=8.1\: m

In the second part of the motion, the object moves at a constant velocity, as long as there is no friction between the object and the floor.

First, we need to find the final velocity of the first interval

v=v_{i}+at_{1}=0+(1.8)3=5.4\: m/s

So the second distance will be:

x_{2}=vt_{2}=5.4*4=21.6\: m

Therefore, the total distance is:

x_{tot}=x_{1}+x_{2}=5.4+21.6=27\: m

I hope it helps you!

7 0
3 years ago
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