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A person sitting on a bench hears the sound of a truck moving away at a speed of 45 kmph. If the frequency of the sound produced by the truck is 125 Hz, what is the apparent time period of the sound (in seconds) perceived by the person? (Velocity of sound in air = 350 m s−1)0.008286 |
Answer» A person sitting on a bench hears the sound of a truck moving away at a speed of 45 kmph. If the frequency of the sound produced by the truck is 125 Hz, what is the apparent time period of the sound (in seconds) perceived by the person? (Velocity of sound in air = 350 m s−1)
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