Question

The radius of a planet is four times that of the moon.The value of acceleration due to gravity (8m) on the moon is g/5, where g is acceleration due to gravity
on the planet. What will be the escape velocity from the planet surface, if its value from moon surface is 2.5 km/s?​

Answer 1

Not so sure with this answer.

Answer 2

Answer:

10.62 km/s.

Explanation:

I am not sure but still tried if it's right then text me, I'll send you it's complete solution.