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If g is the acceleration due to gravity on the earth's surface the change in the potential energy of an object of mass m raised from the surface of the eacrth to height to the radius R of the earth is |
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Answer» `mgR//2` `RARR""u_(f)-u_(i)=-(GMm)/(2R)=(GMm)/(R)` `Deltau=(GMm)/(2R)=(GMm)/(R)""{g=(GM)/(R^(2))}` |
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