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hi please tell me fast?
is the formula for standing waves on super imposing -2a cos(wt) sin (kx) ?
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- Ian HLv 75 years agoFavorite Answer
Regular sea waves bouncing off a harbour wall might approximate the situation.
Considering two such sine waves of equal amplitude and wavelength but oposite direction, then,
Asin(kx – wt) + Asin(kx + wt) = 2Asin(kx)cos(wt)
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