Switch to the Measure Screen on the applet. Here you will find a ruler and a timer. Note that the time starts and stops when you hit run/stop. Use the ruler and the relationship between speed, distance, and time to measure the speed of sound at two different frequencies (200 Hz and 400 Hz). Describe the process you used to find the speed and then compare your answer to the speed of sound in air at sea level at 0 degrees C (331 m/s). Does the speed of sound depend on the frequency of the sound?
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