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A truck is traveling at 74.5 kilometers per hour away from you. The driver is blowing the horn which has a frequency of 415 Hz. The speed of the sound is 346 m/s. What is the observed frequency of the
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A truck is traveling at 74.5 kilometers per hour away from you. The driver is blowing the horn which has a frequency of 415 Hz. The speed of the sound is 346 m/s. What is the observed frequency of the sound? 346 Hz 392 Hz 415 Hz 441 Hz

User Araz Abishov
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2 Answers

6 votes

Answer: option D is the answer!

User Patrick Evans
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5.4k points
2 votes

(415)/(f) = (346- (745)/(36) )/(346+0)
f=441.40
User Johnjohn
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