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1. When an emergency vehicle siren approaches you, how does its observed pitch compare to what you hear after the vehicle passes you?
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1. When an emergency vehicle siren approaches you, how does its observed pitch compare to

what you hear after the vehicle passes you?

User Kuldeep Mishra
by
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1 Answer

9 votes

Answer:

Step-by-step explanation:

due to doppler's effect, the picth of the siren is loud when it approaches and appears to be far away when it passes

User Rob Sutherland
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