Find the coefcient of kinetic friction between a 4.7-kg
Chapter 6, Problem 88(choose chapter or problem)
Find the coefcient of kinetic friction between a 4.7-kg block and the horizontal surface on which it rests if an 89-N/m spring must be stretched by 2.2 cm to pull the block with constant speed. Assume the spring pulls in a direction 13 above the horizontal.
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