Asked by Stephen

A plane wave has an equation y=25 sin(120t - 4x), find wavelength in meters,frequency,period,velocity and amplitude.
Answered by Damon
when 120 t = 2 pi that t is a period T
when 4 x = 2 pi, that x is a wavelength L
f = 1/T
v = L/T
amplitude is given 25
Answered by Vina
Can u pls help with this problem
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