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problem07_22

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

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7.22: a) The work done by friction is J, 00196 . 0 m) (0.020 ) s m (9.80 kg) (0.200 ) 05 . 0 ( 2 k other - = - = - = x mg μ W so J 00704 . 0 2 = K and . s m 27 . 0 kg 0.200 J) 00704 . 0 ( 2 2 = = v b) In this case J, 0098 . 0 other - = W so J, 0.0152 J 0098 . 0 J 0250 . 0 2 = - = K and s. m 39 . 0 kg 0.200 J) 0152 . 0 ( 2 2 = = v c) In this case,
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Unformatted text preview: , 2 = K , 2 = U so . 13 . or m), 100 . ( ) s m (9.80 kg) 200 . ( J 0250 . k 2 k other 1 = ×-= = + μ μ W U...
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