block of mass 0.570 kg is pushedagainst a horizontal spring of negligible mass u

Question

block of mass 0.570 kg is pushedagainst a horizontal spring of negligible mass until the spring iscompressed a distance x. The force constant of the springis 450 N/m. When it is released, the block travels along africtionless, horizontal surface to point B, the bottom ofa vertical circular track of radius R = 1.00 m, andcontinues to move up the track. The speed of the block at thebottom of the track is vB = 13.6 m/s, and the block experiences an averagefrictional force of 7.00 N while sliding up the track.

Explanation / Answer

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