A block is released at \( A \) and slides on smooth surface in shape of quarter circle. The hori....

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A block is released at \( A \) and slides on smooth surface
P
in shape of quarter circle. The horizontal part is
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rough. If the block comes to rest \( 10 \mathrm{~m} \) away from \( B \) and the coefficient of kinetic friction is \( \mu \). Find the value of \( 10 \times \mu \).


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