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A block is initially sliding to the right across a frictionless surface toward a spring. The...

A block is initially sliding to the right across a frictionless surface toward a spring. The block has a mass of 6.00 kg and an initial speed of 4.00 m/s. The spring is attached to a wall at at its right end. At equilibrium, the spring is 2.00 m long. It has a spring constant of 1500 N/m.

1.  When the block collides with the spring, the length of the spring becomes shorter. What is the shortest length the spring has during the collision?

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