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Block 2 of mass 1.00 kg is at rest on a frictionless surface and touching the end of an unstretched spring of spring constant 200 n/m. the other end of the spring is fixed to a wall. block 1 of mass 2.00 kg, traveling at speed = 4.00 m/s, collides with block 2, and the two blocks stick together. when the blocks momentarily stop, by what distance is the spring compressed?
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