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Two blocks on a friction less table are held at rest with a compressed spring between...

Two blocks on a friction less table are held at rest with a compressed spring between them. When the blocks are released, the spring pushes them apart and they move in opposite directions. The spring has a spring constant of 215 N/m. One of the blocks moves away at 0.45 m/s while the other moves away at 0.90 m/s. The heavier of the two blocks has a mass of 1.4 kg. How far was the spring compressed in m?

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given spring constant k = 215 N/m 045m)s V2 = 0.9 m/s lung from conservation of momentum ml = mivi - M2 V2 mza 1.4 Xo 45 01

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