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0.03 m
Two identical waves travel in the same direction, each with a wavelength A = 1 m
and speed v = 20 m/s. When the two waves interfere, they form a resultant wave.
The angular frequency of the resultant wave is:
80m rad/s
n/10 rad/s
20n rad/s
O 40n rad/s
O n/5 rad/s
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