problem13_74

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

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13.74: a) Solving Eq. (13.12) for m , and using l F k = kg. 05 . 4 m 0.250 N 0 . 40 2 1 2 2 2 = = = π l F T m b) , Since m. 0.0405 (0.35) sin2 so and , ) 35 . 0 ( 4 T t π A x T t - = - = = the mass has already passed the lowest point of its motion, and is on the way up.
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