A 1 kg block collides with a horizontal weightless spring of force-con – InterviewSolution

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1.	A 1 kg block collides with a horizontal weightless spring of force-cons†an t 2.75 N/m. The block compresses the spring 4 m from the rest position. If the coefficient of kinetic friction between the block and horizontal surface is 0.25, the speed of the block at the ins†an t of collision is_________:
Answer» A 1 kg block collides with a horizontal weightless spring of force-cons†an t 2.75 N/m. The block compresses the spring 4 m from the rest position. If the coefficient of kinetic friction between the block and horizontal surface is 0.25, the speed of the block at the ins†an t of collision is_________:

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