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Statement-1 : A block of mass $m$ starts moving on a rough horizontal surface with a velocity $v$ . It stops due to friction between the block and the surface after moving through a certain distance. The surface is now tilted to an angle of $30 °$ with the horizontal and the same block is made to go up on the surface with the same initial velocity $v$ . The decrease in the mechanical energy in the second situation is smaller than that in the first situation.
Statement-2 : The coefficient of friction between the block and the surface decreases with the increase in the angle of inclination

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Statement-1 is True, Statement-2 is True; Statement-2 is correct explanation for Statement-1

Statement-1 is True, Statement-2 is True; Statement-2 is NOT a correct explanation for Statement-1

Statement-1 is True, Statement-2 is False

Statement-1 is True, Statement-2 is True

answer is C.

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