**Unformatted text preview: **is proportional to the square root of the distance up the ramp; . s m 25 . 6 s) m . 5 ( m 1.6 m 2.5 = b) In part a), we calculated other W and 2 U . Using Eq. (7.7), J 491.5 J 147 J 5 . 87 s) m (11.0 kg) 12 ( 2 2 1 2 =--= K . s m 05 . 9 kg) 12 ( J) 5 . 491 ( 2 2 2 2 = = = m K v...

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