Question

An astronaut on the moon measures the acceleration due to
gravity to be 1.7 ms 2. He knows that the radius of the moon is
about 0.27 times that of the earth. What is his estimate of the
ratio of the mass of the earth to that of the moon? (The
acceleration due to gravity on the earth's surface is 9.8ms).
(A) 67
(B) 58
(c) 46
(D) 79
D A​

Answer 1

Answer:

sorry I didn't know about the answer