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A police car moving at "30 m s"^(-1), ch...

A police car moving at `"30 m s"^(-1)`, chases a motorcyclist. The policeman sounds his horn at 180 Hz, while both of them move towards a stationary siren of frequency 160 HZ. He does not observe any beats then, calculate the speed `("in m s"^(-1))` of the motorcyclist round off two decimal places? [speed of sound `=330ms^(-1)`]

A

`2 ms^(-1)`

B

`30 ms^(-1)`

C

`35.02 ms^(-1)`

D

`40 ms^(-1)`

Text Solution

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The correct Answer is:
C
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