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6.81:
a) At maximum compression, the spring (and hence the block) is not moving, so the
block has no kinetic energy. Therefore, the work done
by
the block is equal to its initial
kinetic energy, and the maximum compression is found from

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**Unformatted text preview: **, 2 2 1 2 2 1 mv kX = or m. 600 . s) m 00 . 6 ( m N 500 kg 00 . 5 = = = v k m X b) Solving for v in terms of a known X , s. m 1.50 m) 150 . ( kg 00 . 5 m N 500 = = = X m k v...

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