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A 398g block is let go against a vertical spring with a force constant of k=258N/m....

A 398g block is let go against a vertical spring with a force constant of k=258N/m. It collides the spring and it compresses 16.9cm before it stays in momentary repose. What speed does the block have the moment it collides against the spring?

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mass of block 398 드0398k, 0.169m 2( ぺ 2 2 0.34 8

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