problem13_70

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

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13.70: Expressing Eq. (13.13) in terms of the frequency, and with , 0 = φ and taking two derivatives, ( 29 ( 29 ( 29 ( 29 ( 29 ( 29 . s 50 . 1 2 cos s m 2110 . 4 s 50 . 1 2 cos m 240 . 0 s 50 . 1 2 s 50 . 1 2 sin s m 00530 . 1 s 50 . 1 2 sin s 50 . 1 m 240 . 0 2 s 50 . 1 2 cos m 240 . 0 2 2 - = - = - = - = = πt πt π a πt πt π v πt x x x a) Substitution gives m, 120 . 0 - = x or using 3 T t = gives
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