English, asked by bathoolshazia, 4 months ago

a police man is standing at the traffic signal. find pharse​

Answers

Answered by trupthi8
0

Answer:

A traffic policeman standing on a road sounds a whistle emitting the main frequency of 2.00 kHz. What could be the apparent frequency heard by a scooter driver approaching the policeman at a speed of

36.0kmh

Speed of sound in air

=340ms-1

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