A ball rolled on ice with a velocity of \( 8 \mathrm{~m} / \mathrm{s} \) comes to rest after tra...

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A ball rolled on ice with a velocity of \( 8 \mathrm{~m} / \mathrm{s} \) comes to rest after travelling \( 4 \mathrm{~m} \). Compute the coefficient of friction. Given \( g=9.8 \mathrm{~m} / \mathrm{s}^{2} \).
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