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Two identical sinusoidal waves with wavelengths of 1.5 m travel in the same
direction at a speed of 25 m/s. If the two waves originate from the same starting
point, but with time delay At between them, and with resultant amplitude
A_resultant = N3 A then At will be equal to:
0.025 sec
0.00625 sec
0.005 sec
0.01 sec
O 0.0125 sec
The distance between the first and the third nodes of a standing wave is 0.1 m,

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