Consider the track shown in the figure below. The section AB is one quadrant of a...

  

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Consider the track shown in the figure below. The section AB is one quadrant of a circle of radius 2.0 m and the spring constant of the spring is 435 N/m. m=1.0 kg 2.0 m B D a) If the entire track is frictionless, how far will the spring be compressed if the block is released from rest at point A. b) Now suppose that section BC of the track, which has a length of 2.5 m, is not frictionless. (Note: sections AB and CD are still frictionless). If the coefficient of kinetic friction between the block and section BC of the track is k = 0.35, how far will the spring be compressed if the block is released from rest at point A? == Consider the track shown in the figure below. The section AB is one quadrant of a circle of radius 2.0 m and the spring constant of the spring is 435 N/m. m=1.0 kg 2.0 m B D a) If the entire track is frictionless, how far will the spring be compressed if the block is released from rest at point A. b) Now suppose that section BC of the track, which has a length of 2.5 m, is not frictionless. (Note: sections AB and CD are still frictionless). If the coefficient of kinetic friction between the block and section BC of the track is k = 0.35, how far will the spring be compressed if the block is released from rest at point A? ==