Question

A planet has mass four times of Earth and radius two times that of Earth. If the value of g on the Surface of Earth is 10ms? Calculate acceleration due on the planet.​

Answer 1

Answer:

Solution

q

′

=

R

2

GM

=

(4ve)

2

G×2me

=

8

1

ve

2

Gme

=

8

g

To find 4 times the acceleration due to gravity =4×

8

1

g=

2

g

=

2

10

=5m/s

2

Hence, the answer is 5m/s

2

.