The animation represents a cross section of a sound wave propagating in a pipe. A detector, the orange square is placed in the pipe and measures the pressure (position given in centimeters and time given in milliseconds).
Which of the graphs properly represents the displacement of the air molecules in the pipe?
See Giancoli-PA: 12-1, Giancoli-SE: 16-2.
Physlet problem authored by Mario Belloni.
© 2000 by Prentice-Hall, Inc. A Pearson Company