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olga_2 [115]
3 years ago
10

One particle has a charge of -1.87 x 10-9 C, while another particle has a charge of -1.10 x 10-9 C. If the two particles are sep

arated by 0.05, what is the electromagnetic force between them? The equation for Coulomb's law is F = k9192, and the constant, k, equals 9.00 x 10-9 Nm2/C2 pa 2
A. 3.70 x 10-7 N
B. -7.41 x 10-6N
C. -3.70 x 10-7 N
D. 7.41 x 10-6 N​
Physics
1 answer:
bogdanovich [222]3 years ago
5 0

Answer:D 7.41 x 10-6 N

Explanation: AP*X

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Answer:

A = 2.36m/s

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Explanation:

First, we convert the diameter of the ride from ft to m

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Speed of the rider is the

v = circumference of the circle divided by time of rotation

v = [2π(D/2)]/T

v = [2π(3/2)]/4

v = 3π/4

v = 2.36m/s

Radial acceleration can also be found as a = v²/r

Where v = speed of the rider

r = radius of the ride

a = 2.36²/1.5

a = 3.71m/s²

If the time of revolution is halved, then radial acceleration is

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Three boys of equal strength try to break a rope (and fail) by tying one end to a fence post and tugging on the other end. Three
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The best choice would be C. Keep one end of the rope tied to the post and have all six boys tug on the other end.

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That means B would be true according to A, and then for C, having all six boys pull on the other end of the rope would provide greater tension, since if 3 boys of the same strength range can't break the rope when its tied to the fence, we add the other 3 boys of the same strength.

However, if 3 boys are on each end of the rope and of the same strength then the rope will not break since there is an equal amount of net force exerted on the rope.

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