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12 questions from this quiz
~50m
speed = distance/time
Two microphones and a datalogger
The time difference between microphones
The same frequency as water waves
The distance between 'fixed' ripples
v=fλv = f \lambdav=fλ
meters per second (m/s)
hertz (Hz)
meters (m)
At the same speed as a wavefront
The time taken to draw the line
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