Question

A. What is the intensity in 10-4 watts per meter squared of 112 dB sound? B.A...

A. What is the intensity in 10-4 watts per meter squared of 112 dB sound?

B.A spectator at a parade receives an 886 Hz tone from an oncoming trumpeter who is playing an 863 Hz note. At what speed is the musician approaching if the speed of sound is 336 m/s?

C. What frequency is received by a person watching an ambulance moving away at 89 km/h and emitting a steady 774 Hz sound from its siren? The speed of sound on this day is 346 m/s.

D.What is the fundamental frequency of a 0.564 m long tube, open at both ends, on a day when the speed of sound is 334 m/s?

E.If a wind instrument, such as a tuba, has a fundamental frequency of 37.5 Hz, what is its fifth overtone? It is closed at one end and the speed of sound is 330 m/s.

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