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:

Indifference Curve

A chart illustrating diverse pairings of two items that offer the same level of contentment and usefulness to a shopper.

Budget Constraint

The limitations on the consumption choices of an individual or household as determined by income and the prices of goods and services.

Prime-Rib Dinners

Meals focusing on a prime cut of rib beef, roasted and served as a choice dining option, often accompanied by various sides.

Income Increases

A rise in the amount of money received, typically from employment, business, or investments.