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A police car moving at 22 ms^(-1) chases...

A police car moving at `22 ms^(-1)` chases a motor cyclist. The police man sounds horn at 176 Hz. While both of them move towards a stationary siren of frequency 165 Hz. If the number of beats heard by the motor cyclist per second is zero, then the speed of motorcycle is (Speed of sound in air `= 330 ms^(-1)`)

A

33 m/s

B

22 m/s

C

0

D

11m/s

Text Solution

Verified by Experts

The correct Answer is:
B
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