Question

If the distance between centres of earth and moon is D and mass of earth is 81 times that of moon. At what distance from the centre of earth, the gravitational field will be zero?

Answer 1

Mass of earth is 81 times the mass of the moon and the earth and moon is 60 times the radius of the earth. If R is the radiusof the earth , then find the distance between the moon and the point on the joining the moon and the earth, where the gravitational force become zero
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Answer 2

Answer:

Explanation:

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