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Wave velocity. Wave velocity, distance traversed by a periodic, or cyclic, motion per unit time (in any direction). ... The velocity of a wave is equal to the product of its wavelength and frequency (number of vibrations per second) and is independent of its intensity.

Answer: v= 1.5 m/s

Explanation:

Wave velocity is v= frequency x wavelength

We have period T= 0.6s so to find f

f=1/t = 1/0.6=1.66

Convert 90cm to m

V= 1.66x 0.9=1.5 m/s

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