Find the frequency of the horn heard by the truck driver

Reference no: EM13303799

A semi truck is stopped across a road. As a driver approaches at 20 m/s he sounds the horn of his car (f=350 Hz).

a) What is the frequency of the horn heard by the truck driver?

b) The sound of the horn reflects off the large, flat side of the truck and is reflected back to the car driver. What is the frequency that the car driver hears due to this echo from the horn?

Reference no: EM13303799

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