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Find the velocity (in m/s) with wich a b...

Find the velocity (in m/s) with wich a block of mass 1 kg must be horizontally projected on a conveyer belt moving uniformly at a velocity of 3m/s, as shown, so that maximum heat is liberated. Coefficient of friction is 0.1.

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`0^(2)=u^(2)=2mugxx8`
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