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March 27, 2015

Homework Help: physics

Posted by jason on Wednesday, July 17, 2013 at 9:20pm.

an automobile is travelling towards you at a speed 25.0m/s. When you measure the frequency of its horn, you obtain a value of 26Hz. If the actual frequency of the horn is known to be 240Hz, calculate speed of sound in air?
answer is 325m/s

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