What frequency do the passengers in the auto hear

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Reference no: EM13341369

Passengers in an auto traveling at 16.5 m/s toward the east hear a siren frequency of 863 Hz from an emergency vehicle approaching them from behind at a speed (relative to the air and ground) of 40.1 m/s. The speed of sound in air is 340 m/s.

(a) What siren frequency does a passenger riding in the emergency vehicle hear?

(b) What frequency do the passengers in the auto hear after the emergency vehicle passes them?

Reference no: EM13341369

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