A car traveling at 40 ms and a truck traveling at 10 ms are, Ask an Expert

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A car traveling at 40 m/s and a truck traveling at 10 m/s are on the same road. The car blows its horn with frequency 500 Hz.

(a) Find the change in the frequency of the horn as heard by the truck if the car passes the truck traveling in the same direction.

(b) Find the change in the frequency of the horn as heard by the truck if the car passes the truck traveling in the opposite direction.

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Category:- Physics
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