Question

If a planet existed whose mass and radius were
both half of those of earth, the acceleration due
to gravity at its surface would be :
(1) 19.6 m/sec2 (2) 9.8 m/sec2
(3) 4.9 m/sec2
(4) 1.96 m/sec2​

Answer 1

Answer:

3

Explanation:

correct me if im wrong