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An object of mass 12 kg is at a certain ...

An object of mass 12 kg is at a certain height above the ground. If the potential energy of the object is 480 J. Find the height at which the object is with respect to the ground. (Given g = 10m/s)

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MODERN PUBLICATION-WORK AND ENERGY-EXERCISE
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  2. The body of mass 6 kg is taken from a height of 5 m to a height of 10 ...

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  3. An object of mass 12 kg is at a certain height above the ground. If th...

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