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Tomtit [17]
3 years ago
14

In which regions can the gravitational field strength due to the two planets be zero? Explain.

Physics
1 answer:
yan [13]3 years ago
7 0

Answer:

I believe its a and c but my notes are all kinds of messed up so im sorry if its wrong

Explanation:

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Electric resistance ____________ with a(n) ____________in the length of a wire and as a result current flow ___________.
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3 0
2 years ago
You drop a batitin a stationary elevator and the ball hits the floor in o 50 s. How long does it take for the ball to hit the fl
solmaris [256]

Answer:

option (a) 0.61 s

Explanation:

Given;

Time taken by the ball to reach the ground  = 0.50 s

Let us first calculate the distance through which the ball falls on the ground

from the Newton's equation of motion, we have

s=ut+\frac{1}{2}at^2

where,  

s is the distance

a is the acceleration

t is the time

here it is the case of free fall

thus, a = g = acceleration due to gravity

u =  initial speed of the ball = 0

on substituting the values, we get

s=0\times 0.50+\frac{1}{2}\times9.8\times0.50^2

or

s = 1.225 m

Now,

when the elevator is moving up with speed of 1.0 m/s

the initial speed of the ball = -1.0 m/s   (as the elevator is moving in upward direction)

thus , we have

s=ut+\frac{1}{2}at^2

or

1.225=-1.0\times\ t+\frac{1}{2}\times9.8t^2

or

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or

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hence, the correct answer is option (a) 0.61 s

4 0
3 years ago
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