Which year was pluto no longer considered a planet?.
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To find the speed you multiply the wavelength and the frequency together.
wavelength = 8mm =
m = 0.008 m
frequency = 14 Hz
speed = 0.008m * 14 Hz = 0.112 m/s
wavelength = 8mm =
frequency = 14 Hz
speed = 0.008m * 14 Hz = 0.112 m/s