Question

The mass of a planet is 1/10 ^th that of the earth and its diameter is half that of the earth. The acceleration due to gravity on that planet is:

(1) 19.6 m s^-2

(2) 9.8 m s^-2

(3) 4.9 m s ^-2

(4) 3.92 m s^-2

Answer 1

Correct option is (4) 3.92 m s^-2

^{The mass of a planet is 1/10 th that of the earth and its diameter is half that of the earth. The acceleration due to gravity on that planet is 3.92 m s-2.}