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Vectors

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16 May 2012 10:46:43 IST

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Engineering Entrance , JEE Main , JEE Advanced , Mathematics , Vectors

Find the potential energy when a body of mass m is raised nR from the earth surface .

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kshitij sharma

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16 May 2012 11:18:39 IST

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U=-GMm/nRwhere M is mass of earth

Krishna Gopal Singh

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16 May 2012 15:14:45 IST

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Potential energy depends on datum. If datum is at infinity the PE = -GMm/{(n+1)R} ( height of nR is a distance of (n+1)R from center.

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