1.

The distance of the centres of moon and earth is D. The mass of earth is 81 times the mass of the moon. At what distance from the centre if the earth, the gravitational force on a particle will be zero.

Answer»

The distance of the centres of moon and earth is D. The mass of earth is 81 times the mass of the moon. At what distance from the centre if the earth, the gravitational force on a particle will be zero.



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