A police car moving at 22 m/s, chases a motorcyclist. The policeman so – McqOptions

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1.	A police car moving at 22 m/s, chases a motorcyclist. The policeman sounds his horn at 176 Hz, while both of them move towards a stationary siren of frequency 165 Hz. The speed of the motorcycle, if it is given that he does not observe any beats is
A.	33 m/s
B.	22 m/s
C.	zero
D.	11 m/s
Answer» C. zero

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