Question

The mass of (an imaginary) planet is four times that of the earth and its radius is double the radius of the earth. The escape velocity of a body from the earth is 11.2 Km/s. Find the escape velocity of a body from the planet.​

Answer 1

the answer will be 15.84 km/s

hope it will be helpful for you

Answer 2

Given

Explanation:

2.48

Formula for escape velocity =

R

2GM

Mass of moon =M

radius of moon =r

Escape velocity =

9

2

times of earth =

9

2

×11.2=2.48m/sec.