problem07_43

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

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7.43: The initial and final kinetic energies are both zero, so the work done by the spring is the negative of the work done by friction, or mgl, μ kx k 2 2 1 = where l is the distance the
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Unformatted text preview: block moves. Solving for , k . 41 . ) m 00 . 1 )( s m 80 . 9 )( kg 50 . ( ) m 20 . )( m N 100 )( 2 / 1 ( ) 2 / 1 ( 2 2 2 k = = = mgl kx...
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