Question 8.8

Q 8.8: Two cars P and Q are traveling along a motorway in the same direction. The leading car P travels at a steady speed of 12m/s, the other car Q, traveling at a steady speed of 20m/s, sound its horn to emit a steady note which P’s driver estimates has a frequency of 830 Hz. What frequency does Q’s own driver hear? (Speed of sound = 340 m/s)
chapter-eight-question-08


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