Question: A 2 0 - kg block on a horizontal surface is attached to a light spring ( force constant = 8 . 0 kN /
A kg block on a horizontal surface is attached to a light spring force constant kNm The block is pulled cm to the right from its equilibrium position and released from rest. When the block has moved cm toward its equilibrium position, its kinetic energy is J How much work is done by the frictional force on the block as it moves the cm
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