problem06_66

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

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6.66: Let x be the distance past P. Ax + = 100 . 0 k μ when m 5 . 12 = x , 600 . 0 k = μ m 0400 0 m 5 . 12 / 500 . 0 / . A = = (a) 2 2 f f 2 2 i 2 f f 2 i 0 2 i k i f f ) s / m 50 . 4 ( 2 1 2 m) / 0400 . 0 ( ) 100 . 0 ( ) s / m 80 . 9 ( 2 1 2 ) 100 . 0 ( 2 1 ) 100 0 ( 2 1 0 : f = + = + = + - = - - = = x x v x A x g v dx Ax . g mv mgdx μ KE KE W KE W x Solve for m 11 . 5 : f f = x x (b) 0.304 m) 11 5 m)( / 0400 . 0 ( 100 . 0 k = + = . μ (c) i f f
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