problem15_47

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

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15.47: a) s, rad 126 2 Hz, 0 . 20 ) m 80 . 1 ( ) s m 0 . 36 ( = = = = λ = πf ω v f m. rad 49 . 3 2 = λ = = π v ω k b) [ ] . ) s rad 126 ( ) m rad 3.49 ( cos ) mm 50 . 2 ( ) ( cos ) , ( t x ωt kx A t x y - = - = c)At [ ] . ) s rad 126 ( cos ) mm 50 . 2 ( cos ) , 0 ( , 0 t ωt A t y x = = = From this form it may be seen that at . 0 , 0 , 0 = = t y t x d) At 2 3 4, 3 m 35 . 1 π kx x = λ = = and ( 29 [ ] . 2 3 cos , 4 3 ωt π A t y
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