A truck moving at a rate of 50 m/s sounds its horn with a frequency of 8000 Hz. Find the frequency heard by the stationary observer, as the truck approaches the him. The ambient temperature is about 400C.
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A truck moving at a rate of 50 m/s sounds its
horn with a frequency of 8000 Hz. Find the
frequency heard by the stationary observer,
as the truck approaches the him. The
ambient temperature is about 400C.
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- then If you stood at the same point on a cold day were T2 = -7.5 °C how long is have taken for you to hear the echo in s?A spectator at a parade receives an 889 Hz tone from an oncoming trumpeter who is playing an 879 Hz note. At what speed vs, is the musician approaching if the speed of sound is 340 ms?A commuter train passes a passenger platform at a constant speed of 37.0 m/s. The train horn is sounded at its characteristic frequency of 336 Hz. (a) What overall change in frequency is detected by a person on the platform as the train moves from approaching to receding? (Indicate whether the frequency increases of decreases with the sign of your answer.) Hz (b) What wavelength is detected by a person on the platform as the train approaches? m Need Help? Read It
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