Question: physics Doppler effect - hello I'm confused with this question can you answer this question. QUIZ - DOPPLER EFFECT 417 Sketch a diagram if necessary,

physics Doppler effect - hello I'm confused with this question can you answer this question.

QUIZ - DOPPLER EFFECT 417 Sketch a diagram if necessary, define your variables, write the equation used, show your work and write a summary sentence for full marks! One morning Mr. Keller's physics class was standing outside getting ready to conduct the Speed of Sound lab when they hear a police siren and give pause. Kendra, who is secretly a very gifted musician, POLICE distinctly hears an As note (880.0 Hz). Quickly, Yusef grabs his phone and finds out that Ottawa Police sirens have a frequency of 805 Hz. Since we are in a school safety zone, the radar speed sign immediately begins flashing red: 101 km/h. In all the commotion, the class completely forgets to perform the lab experiment (the whole reason they were outside to begin with!!). However, using this information: a) Is the police car driving towards or away from the class. Explain. (1 mark) b) Determine the speed of sound on this particular day. (5 marks + 1 mark comm.)

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