Question

If the value of the escape velocity on a planet is 2 under root gm by k then the radius of the planet is

Answer 1

according to me , hope it is satisfactory

Answer 2

V(escape) = (2GM/R)^1/2

2(GM/K)^1/2 = (2GM/R)^1/2

1/R = 2/K

R= K/2

R = 0.5K