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1. How much more intense is a 110 dB sound heard at a rock concert than a 60 dB sound heard during normal conversation?
1. How much more intense is a 110 dB sound heard at a rock concert than a 60 dB sound heard during normal conversation? 2. A car is traveling down a highway at 27 m/s when the temperature of the air is 12C. The driver sounds a 420 Hz horn when passing a stationary person at the side of the road. What frequency will the person hear when the car is approaching and when it is moving away?
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Introduction to Electrodynamics
Authors: David J. Griffiths
3rd Edition
978-0138053260, 013805326X, 8120316010, 978-8120316010
