You push a \( 2.0 \mathrm{~kg} \) block against a horizontal spring, compressing the spring by \...

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You push a \( 2.0 \mathrm{~kg} \) block against a horizontal spring, compressing the spring by \( 12 \mathrm{~cm} \). Then you release the block, and the spring sends it sliding across a tabletop. It stops \( 75 \mathrm{~cm} \) from where you released it. The spring constant is \( 170 \mathrm{~N} / \mathrm{m} \). What is the block-table coefficient of kinetic friction?
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