L6_4apr08

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Review of traveling waves ( 29 ( 29 . time gle sin a at x versus amplitude of graph Snapshot position x gle sin a at time versus amplitude of graph History f k v f 2 2 k . left the to traveling wave t kx sin y y . right the to traveling wave t kx sin y y m m - - λ = ϖ = π = ϖ λ π = φ + ϖ + = φ + ϖ - = Connecting snapshot and history graphs is important. + to left, and – to right Old formulas:
The following is a history at x= 1 meter of a transverse wave traveling to the right with velocity 2m/s. Which of the following equations is correct for this wave? ( 29 ( 29 ( 29 ( 29 ( 29 π - π - π = π + π - π = π - π - π = π + π - π = π - π = 2 t x 2 sin 2 ) t , x ( y . 5 2 t x 2 sin 2 ) t , x ( y . 4 t x 2 sin 2 ) t , x ( y . 3 t x 2 sin 2 ) t , x ( y . 2 t x 2 sin 2 ) t , x ( y . 1 1 2 3 4 5 6 -1 -0.5 0.5 1 +2 -2 0 1 2 3 4 5 6 sec A

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