Question

The period of moon's rotation around the earth is nearly 29 days. If moon's mass were 2 fold its present value and all other things remain unchanged, the period of moon's rotation would be nearly (in days) is 29 can u explain answer is TIME PERIOD IS IN DEPENDENT OF MOON MASS.
WHY ?

Answer 1

Answer:

The period of moon's rotation around the earth is approx. 29 days. IF moon's mass were 2 fold its present value and all other things remain unchanged, the period of Moon's rotation would be nearly

58 days period of time to copleat the rotation

Answer 2

Thus, the time period of the moon's rotation around the Earth will remain the same, i.e., 29 days, even if the mass of the moon became 2 times its present value and all the other things remained unchanged. Thus, option D is the right choice.