problem15_66

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

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15.66: (a) The string vibrates through 2 1 cycle in so min, 4 5000 1 × s 10 9.6 min 10 6 . 1 min 5000 4 2 1 2 3 - - × = × = = T T Hz 10.4 s 10 6 . 9 1 1 2 = × = = - T f m 50 . 0 cm 0 . 50 = = = L λ (b) Second harmonic (c) s m 5.2 m) Hz)(0.50 4 . 10 ( = = λ = f v (d) (i)Maximum displacement, so ) sin sin cm 5 . 1 ( (ii) 0 ωt kx v v t t y y = = = Speed ωt kx ω v y sin cm)sin 5 . 1 ( = = at maximum speed, 1 sin sin = = ωt
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Unformatted text preview: kx cm) Hz)(1.5 (10.4 2 cm) 5 . 1 ( 2 cm) 5 . 1 ( π πf ω v y = = = s m 0.98 s cm 98 = = (e) 2 v F μ μ F v = → = kg 10 85 . 1 ) s m 2 . 5 ( m) N)(0.500 00 . 1 ( 2 2 2-× = = = = L v F μL M =18.5 g...
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