Two cars,one in front of the other,are traveling down the highway at 55.0 m/s.The car behind sounds its horn,which has a frequency of 530 Hz.What is the frequency heard by the driver of the lead car? (v_sound = 340 m/s)

Question

Quizplus · Accepted Answer

Since both cars are moving at the same speed in the same direction, there is no relative velocity between them. Thus, the frequency of the sound heard by the driver of the lead car remains the same as the source frequency, which is 530 Hz.

Two Cars,one in Front of the Other,are Traveling Down the Highway