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Two waves are described by y1 = 0.24 sin[π(3x - 180t)] and y2 = 0.24 sin[π(3x...

Two waves are described by
y1 = 0.24 sin[π(3x - 180t)]
and
y2 = 0.24 sin[π(3x - 180t) + π/4],
where y1, y2, and x are in meters and t is in seconds. When these two waves are combined, a traveling wave is produced. What are the (a) amplitude, (b) wave speed, and (c) wavelength of that traveling wave?

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