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QUESTION

A block of mass 12kg is released from rest on a frictionaless incline of angle 30 degrees. Below the block is a spring that can be compressed 2 cm by...

A block of mass 12kg is released from rest on a frictionaless incline of angle 30 degrees. Below the block is a spring that can be compressed 2 cm by a force of 270N. The block momentarily stops when it compresses the spring by 5.5 cm.

  1. How far does the block move down the incline from its rest position to this stopping point?
  2. What is the speed of the block as it touches the spring?
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