A b o d y i s t h r o w n f r o m t h e s u r f a c e o f e a r t h w i t h v e l o c i t y g R e 2 a t s o m e a n g l e f r o m t h e v e r t i c a l . I f t h e m a x i m u m h e i g h t r e a c h e d b y t h e b o d y i s R e 4 . T h e n c h o o s e t h e c o r r e c t o p t i o n ( s ) ( R , = R a d i u s o f e a r t h ) ( A ) t h e a n g l e o f p r o j e c t i o n f r o m t h e v e r t i c a l i s sin - 1 5 4 ( B ) t h e v e l o c i t y o f t h e b o d y a t m a x i m u m h e i g h t i s v = g R e 10 ( C ) t h e a n g l e o f p r o j e c t i o n f r o m t h e v e r t i c a l i s sin - 1 5 6 ( D ) t h e v e l o c i t y o f t h e b o d y a t m a x i m u m h e i g h t i s z e r o . Share with your friends Share 0 Shobhit Mittal answered this Dear Student, v=gR2R is the radius of earth g=GMR2v=GM2Rescape velocity is 2GMRhence it will not escape the earth gravity.conserve the energy-GMmR+12mGM2R=mv22+-4GMm5R-GMmR+GMm4R=mv22+-4GMm5R0.05GMR=v22v=0.1GMRR2=gR10option B is correct .Regards -1 View Full Answer