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A fire truck is moving toward a stationary observer at 15 m/s and has a siren frequency of 650 Hz. The speed of sound is
A fire truck is moving toward a stationary observer at 15 m/s and has a siren frequency of 650 Hz. The speed of sound is 343 m/s. What is the frequency of the fire truck by the observer as the truck approaches? a. 654 Hz b. 678 Hz c. 680 Hz d. 622 Hz
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Introduction To Solid State Physics
Authors: Charles Kittel
3rd Edition
978-0471111818, 978-0471111818
