A particle was initially at a point at height Re from the earth's sur – InterviewSolution

1.	A particle was initially at a point at height Re from the earth's surface. The work done to bring this particle to earth's surface is [ −xGmMe2Re]. Find the value of x. (m = mass of particle). ___
Answer» A particle was initially at a point at height $R_{e}$ from the earth's surface. The work done to bring this particle to earth's surface is [ $\frac{- x G m M_{e}}{2 R_{e}}$ ]. Find the value of x. (m = mass of particle). ___

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