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A block of mass m is sliding down an inc...

A block of mass m is sliding down an inclined plane with constant speed. At a certain instant t0, its height above the ground is h. The coefficient of kinetic friction between the block and the plane is `mu`. If the block reaches the ground at a later instant `t_g`, then the energy dissipated by friction in the time interval `(t_(g)-t_(0))` is -

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