JEE Main 2002Annual, Paper 1PhysicsEasyGravitation159× since 2002The kinetic energy needed to project a body of mass mmm from the earth surface (radius RRR) to infinity isAOption A. mgR/2mgR/2mgR/2BOption B. 2mgR2mgR2mgRCOption C. mgRmgRmgRDOption D. mgR/4mgR/4mgR/4CheckSkip · show solution