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Define kinetic energy and potential energy. Derive an expression for kinetic energy and potential energy.
Important Questions on Work, Power and Energy
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[ is the acceleration due to gravity]

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A small block starts slipping down from a point on an inclined plane , which is making an angle with the horizontal section is smooth and the remaining section is rough with a coefficient of friction . It is found that the block comes to rest as it reaches the bottom (point A) of the inclined plane. If , the coefficient of friction is given by . The value of is .......

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