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Sound travels ~4Ć faster in water than in air ā about 1,480 m/s vs 343 m/s.
Did you know?
Sound travels ~4Ć faster in water than in air ā about 1,480 m/s vs 343 m/s.
Two cars moving in opposite directions approach each other with speed of 22 m/s and 16.5 m/s, respectively. The driver of the first car blows a horn having a frequency 400 Hz. The frequency heard by the driver of the second car is (velocity of sound: 340 m/s)
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To solve this problem, we will use the Doppler effect formula for sound.The formula for the observed frequency when the source and observer are moving towards each other is:
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