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Gravitational potential difference betwe...

Gravitational potential difference between surface of a planet and a point situated at a height of 20 m above its surface is 2joule/kg. if gravitational field is uniform, then the work done in taking a 5kg body of height 4 meter above surface will be-:

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`2J`
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PHYSICS GALAXY - ASHISH ARORA-GRAVITATION-Unsolved Numerical
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