To project a body of mass m from earth's surface to infinity, the required kinetic energy is (assume, the radius of earth is R E , g = acceleration due to gravity on the surface of earth):

Question

To project a body of mass m from earth's surface to infinity, the required kinetic energy is (assume, the radius of earth is R E ​ , g = acceleration due to gravity on the surface of earth):

TestHub · Accepted Answer

​ 2 1 ​ mv e 2 ​ = R E ​ GMm ​ g = R E 2 ​ GM ​ K = mgR E ​ ​

Physics - Gravitation Question with Solution | TestHub

Options:

Doubts & Discussion