If the acceleration due to gravity at the surface of the earth is g, the work done in slowly lifting a body of mass m from the earth's surface to a height R equal to the radius of the earth is.
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w=mgR/2
hope this will help you
Answered by
1
Explanation:
At earth surface
Ui = -Gmm / R
at the height h
Uf = -Gmm /2R
Therefore work done = Uf -Ui
= Gmm/R = mgR /2
Hope you understand
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