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a policeman on duty detects a drop of 10% in the frequency of the horn of motor car as it crosses him.If the velocity of sound is 330 m/s,the speed of the car is

a policeman on duty detects a drop of 10% in the frequency of the horn of motor car as it crosses him.If the velocity of sound is 330 m/s,the speed of the car is

Grade:12

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