A policeman chasing a bicycle with speed 22m/s and emitting sound of frequency 176 Hz . And both are going towards a stationary source of frequency 165 hz,then find out the speed of bicycle if it doesn`t heard any beat.

Question

Khimraj · Answer

Let n 1 = frequency of police car horn heard by observer n 2 = frequency of stationary source heard by observer v = velocity of bicycle Then n 1 = [(330-v)/(300-22)]*176 n 2 = [(330+v)/(300)]*165 n 1 – n 2 = 0 Sov = 22m/s. Hope it clears. If you like answer then please approve it.

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A policeman chasing a bicycle with speed 22m/s and emitting sound of frequency 176 Hz . And both are going towards a stationary source of frequency 165 hz,then find out the speed of bicycle if it doesn`t heard any beat.

A policeman chasing a bicycle with speed 22m/s and emitting sound of frequency 176 Hz . And both are going towards a stationary source of frequency 165 hz,then find out the speed of bicycle if it doesn`t heard any beat.

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A policeman chasing a bicycle with speed 22m/s and emitting sound of frequency 176 Hz . And both are going towards a stationary source of frequency 165 hz,then find out the speed of bicycle if it doesn`t heard any beat.

A policeman chasing a bicycle with speed 22m/s and emitting sound of frequency 176 Hz . And both are going towards a stationary source of frequency 165 hz,then find out the speed of bicycle if it doesn`t heard any beat.

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