asked 84.3k views
4 votes
A police car passes a pedestrian with its siren on. A change in the siren's pitch is

2 Answers

4 votes

Answer:

By the pedestrian.

Step-by-step explanation:

answered
User Gordian Yuan
by
7.4k points
7 votes
The Doppler effect. The farther away the siren gets, the lower the pitch will get.
answered
User Daniel Mendel
by
8.1k points
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