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The mass of the earth is 81 times the ma...

The mass of the earth is `81` times the mass of the Moon and the distance between the earth and the Moon is `60` time the, radius of the earth. If `R` is the radius of the earth, then the distance between the Moon and the point on the in joining the Moon and the earth where the gravitational force becomes zero is

A

30R

B

15R

C

6R

D

5R

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The correct Answer is:
C
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TARGET PUBLICATION-GRAVITATION-EVALUATION TEST
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  14. A particle of mass m is subjected to an attractive central force of ma...

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  18. A particle is dropped on Earth from height R (radius of earth) and it ...

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