a) the distance the wave moves in one second
b)the distance the wave moves in one time period of the wave
c)the maximum distance moved by the particles on either side of the mean (average) position
d)the distance equal to one wavelength

2) If you lower the frequency of a wave in a string you will?
a)lower its speed
b)increase its wavelength
c)lower its amplitude
d)shorten its period

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