problem07_44

# University Physics with Modern Physics with Mastering Physics (11th Edition)

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7.44: Work done by friction against the crate brings it to a halt: N 29 . 64 m 5.60 J 360 spring compressed of energy potential k k = = = f x f The friction force working over a 2.00-m distance does work . J 6 . 128 ) m 00 . 2 )( N 29 . 64 ( k - = - = x f The kinetic energy of the crate at this point is thus
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Unformatted text preview: , J 4 . 231 J 6 . 128 J 360 =-and its speed is found from s m 04 . 3 s m 256 . 9 kg 50 J) 4 . 231 ( 2 J 4 . 231 2 2 2 2 2 = = = = v . v mv...
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