Work done to take a particle of mass, Physics

What is the work done to take a particle of mass m from surface of the earth to a height equal to 2R (R=radius of earth )?

Ans) Initial PE= - GMm/R

Final PE = - GMm/3R

Change in PE=Work Done=  2GMm/3R (ANS.) 

 

 

Posted Date: 4/5/2013 1:38:41 AM | Location : United States







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