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anonymous
 one year ago
A fire truck with its siren blowing passes you. What happens to the sound of its siren as the truck moves away from you?
A. the pitch gets higher
B. the pitch gets lower
C. the amplitude gets higher
D. the amplitude gets lower
anonymous
 one year ago
A fire truck with its siren blowing passes you. What happens to the sound of its siren as the truck moves away from you? A. the pitch gets higher B. the pitch gets lower C. the amplitude gets higher D. the amplitude gets lower

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Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1here the Doppler effect is involved

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ok! what does that mean? :/ pitch gets lower?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1since the source of the sound is going away from me, then the received frequency from me, is less than the emitted frequency by the truck

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ohh so the solution should be amplitude is lower? choice D?

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1I think that the answer is the pitch gets higher, since we have the subsequent relationship between wave length and frequency: \[\Large \lambda = \frac{v}{\nu }\] where v is the speed of sound

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0ohhh okay! makes sense :) thank you!!!
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