So first to determine the speed of the wanes we simply divide the distance traveled by the amount of time it took to travel that distance, which is 4.4/1.8 = about 2.444 m/s. Now just remember the formula for wavelength, which is v = fw. The frequency is 1/1.2 = 0.833. So 2.444 = 0.833w, Thus w = 2.93 m
May 20th, 2015
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