Quiz3Solution

Quiz3Solution - b. If the police car passed you, what...

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You are approaching a police car at 68.1 mph and the police car is approaching you at 94.8 mph. The wind is blowing from behind you at 53.1 mph toward the police car. Assume that the speed of sound is 700 mph. a. If the police car has a 1224 Hz siren, what frequency do you hear?
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Unformatted text preview: b. If the police car passed you, what frequency do you hear now? When the police car passed you, f=1224 x [700 -(68.1-53.1)]/[700 + (94.8 + 53.1)] = 989 Hz v w v o v s ((((( front v w v s v o ))))) behind...
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This note was uploaded on 01/10/2010 for the course PHY na taught by Professor Richardscalettar during the Fall '09 term at UC Davis.

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