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THE WORK DONE IN SLOWLY LIFTING A BODY FROM SURFACE TO HEIGHT r IS TWICE THE AMT. OF WORK DONE IN LIFTING THE SAME BODY FROM EARTH SURFACE TO HEIGHT h . FIND THE HEIGHT h.

THE WORK DONE IN SLOWLY LIFTING A BODY FROM  SURFACE TO HEIGHT r IS TWICE THE AMT. OF WORK DONE IN LIFTING THE SAME BODY FROM EARTH SURFACE TO HEIGHT h . FIND THE HEIGHT h.

Grade:12

1 Answers

Arun
25750 Points
5 years ago
Dear student
 
work done will be stored as potential energy
2[ -GMm/(R+h) + GMm/R ]= -GMm/2R + GMm/R
3GMm/4R = GMm/(R+h)
3h = 4R
h = R/3
 
Regards
Arun (askIITians forum expert)

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