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A car moving away from a cyclist at 18.0 m/s sounds its 550 Hz horn. The...

A car moving away from a cyclist at 18.0 m/s sounds its 550 Hz horn. The cyclist is moving away from the car with a speed of 7.20 m/s.

A) What is the apparent frequency heard by the bicyclist?

B) What is the apparent frequency if the car is moving towards the bicyclist if all other conditions remain the same?

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