A police car is moving at a speed of 8.94 m/s,its siren emits a sinsoidal wave with frequency 5.00*10^2 Hz to alert Regina cab of a traffic violation.The temperature is 24 degrees A) What is the speed of the wave at 24 degrees? B) What is the overall change in frquency heard by the passengers waiting for the cab in the stop as the police car approaches and moves away from the passenger? C) What is the wavelength detected by the passenger waiting for the cab as the police car moves away from him