question_answer

A police van moving with velocity 22 m/s and emitting sound of frequency 176 Hz, follows a motor cycle in turn is moving towards a stationary car and away from the police van. The stationary car is emitting frequency 165 Hz. If motorcyclist does not hear any beats then find his velocity (in m/s) is\[({{v}_{s}}=330m/s)\]

Answer:

22.00