A block of mass 10 kg is released from rest at point A. The track is friction less except between points B and C which has the length of 6 m. The block travels down the track and hits a spring of spring constant k = 2052 N/m. The block compresses the spring 0.3 m from its equilibrium position before coming to rest momentarily. Determine the coefficient of kinetic friction between the block and the rough surface between points B and C.
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Coefficient of kinetic friction= 7/20
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