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A parked ambulance is 100 m away from a girl and 900 m away from a boy : 

A) the girl will hear a higher pitch than the boy 

B) the boy will hear a higher pitch than the girl 

C) both hear the same pitch 

D) none 

 May 13, 2020
 #1
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+1

I think I remember this from high school

 

The Doppler effect  says   that the  pitch of the sound will  be  lower  as  the distance from the object increases

 

So  (A) is correct

 

cool cool cool

 May 13, 2020

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