GravitationHard
Question
The kinetic energy needed to project a body of mass m from the earth surface to infinity is :-
Options
A.mgR
B.
C.
D.2mgR
More Gravitation Questions
Two spherical planets P and Q have the same uniform density ρ, masses MP and MQ and surface areas A and 4A respecti...The ratio of radii of two plants 1 r and 2 r is k. The ratio of acceleration due to gravity on them is r. Then the ratio...A particle of mass m is upwards from the surface of the earth, with a velocity u. The mass and the radius of the earth a...Gravitation on Moon is th of that on Earth. When a balloon filled with hydrogen is released on Moon then this...There are two bodies of masses 100 kg and 10000 kg separated by a distance 1 m. At whatdistance from the smaller body, t...