A piston at one end of a long tube filled with air at room temperature and normal
Question:
A piston at one end of a long tube filled with air at room temperature and normal pressure oscillates with a frequency of 500 Hz and an amplitude of 0.1 mm. The area of the piston is 100 cm2.
(a) What is the pressure amplitude of the sound waves generated in the tube?
(b) What is the intensity of the waves?
(c) What average power is required to keep the piston oscillating (neglecting friction)?
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a p 0 s 0 v p 0 10 4 129 2 500 ...View the full answer
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