Q)
(chatquestion)...Mass of the moon is (1/81) times mass of the earth of radius R. Distance between the two centres of the earth and the moon is 40 R. The distance of a point on the line joining the two centres in terms of R so that effective value of acceleration due to gravity becomes zero is
a) 39 R b) 36 R c) 32 R d) 20 R
1 Answer
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