You Are Driving Along a Highway at 35

question 62

Multiple Choice

You are driving along a highway at 35.0 m/s when you hear the siren of a police car approaching you from behind and you perceive the frequency as 1370 Hz. You are relieved that he is in pursuit of a different speeder when he continues past you, but now you perceive the frequency as 1330 Hz. What is the speed of the police car? The speed of sound in air is 343 m/s.

• A) 38.4 m/s
• B) 30.0 m/s
• C) 39.2 m/s
• D) 40.0 m/s
• E) 41.7 m/s

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Definitions:

Major Organic Product

The most abundant product formed in a chemical reaction involving organic compounds.

Reaction Product

The final substances formed upon the completion of a chemical reaction.

Major Product

The main substance produced in a chemical reaction, often present in the largest amount among other products.

Benzoyl Chloride

An organic compound used as an acylating agent in organic synthesis, with the formula C6H5COCl.