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Category > Physics Posted 23 May 2017 My Price 5.00

Part C (Wave)

Part C (Wave) (25 marks) (a) In the standing wave shown, what is its amplitude? What is its wavelength? How
many nodes are there? Express your answer in cm. (9 marks) (b) A conical shock wave is generated by a supersonic aircraft as shown below. Estimate
the speed of the aircraft. (Assume speed of sound = 240 m/s) (10 marks) \
/ (c) Suppose at a concert a singer’s voice is radio broadcast all the way around the world
before reaching the radio you hold to your ear. This takes 1/8 second. If you are close, you hear her voice in air before you hear it from the radio. But if you
are far enough away, both signals will reach you at the same time. How many meters
distant must you be for this to occur? (Assume speed of sound = 240 m/s) (6 marks)

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SuperTutor
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Status NEW Posted 23 May 2017 01:05 AM My Price 5.00

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