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

• A. $29 \sqrt { 2 }$ days
• B. $\frac { 29 } { \sqrt { 2 } }$days
• C. 29 Ч2 days
• D. 29 days

Answer 1

Answer: (D)

29 days

Answer 2

The period of moon’s rotation around the earth does not depend upon the mass of the moon.