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When the spring is compressed 40 cm from its relaxed length

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A 4.0 kg block is pushed against a horizontal light spring with constant k = 4.0x10^4 N/m. When the spring is compressed 4.0 cm from its relaxed length, the block is released. The block slides across a horizontal frictionless surface and collides elastically with another block (5.0 kg) that was initially at rest. What is the final velocity of each block?

Reference no: EM13628518

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