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A rocket is fired from the earth to the ...

A rocket is fired from the earth to the moon. The distance between the earth and the moon is r and the mass of the earth is 81 times the mass of the moon. The gravitational force on the rocket will be zero when its distance from the moon is

A

`r/5`

B

`r/10`

C

`r/15`

D

`r/20`

Text Solution

Verified by Experts

The correct Answer is:
B
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