Answered: 7. The oscillations in air pressure… | bartleby

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7. The oscillations in air pressure representing the sound wave for a musical tone can be modeled by the
equation y 0.05 sin(880πt + 10π), where y is the sound pressure in pascals after t seconds. By hand,
sketch the graph of one complete cycle of the sound wave.
=

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Consider a sound wave in air that has displacement amplitude 2.40X10-² mm. For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Amplitude of a sound wave in air. Part A Calculate the pressure amplitude for frequencies of 158 Hz . Take the bulk modulus of the air to be 1.42 × 105 Pa and the speed of sound to be 344 m/s Express your answer in pascals. pmaz = |98.30 Part B Submit Previous Answers Request Answer Be x Incorrect; Try Again; 4 attempts remaining pmaz = |983 Calculate the pressure amplitude for frequencies of 1580 Hz. Take the bulk modulus of the air to be 1.42 × 105 Pa and the speed of sound to be 344 m/s. Express your answer in pascals. Part C ? Be pmax = |9830 Pa Submit Previous Answers Request Answer (3 ? x Incorrect; Try Again; 5 attempts remaining Re 6 Calculate the pressure amplitude for frequencies of 1.58x104 Hz . Take the bulk modulus of the air to be 1.42 × 105 Pa Express your answer in pascals. Pa #3 ? Pa Submit Previous…
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