A train is travelling at a speed of 20.3 m/s towards a station. The train whistle sounds with a frequency of 483.9 Hz. What is the frequency of the whistle as heard by someone on the station platform? Use the speed of sound in air of 340 m/s.
A train is travelling at a speed of 20.3 m/s towards a station. The train whistle sounds with a frequency of 483.9 Hz. What is the frequency of the whistle as heard by someone on the station platform? Use the speed of sound in air of 340 m/s.
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A train is travelling at a speed of 20.3 m/s towards a station. The train whistle sounds with a frequency of 483.9 Hz. What is the frequency
of the whistle as heard by someone on the station platform? Use the speed of sound in air of 340 m/s.
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