Two Cars Are Traveling at the Same Speed and Hit

question 77

Multiple Choice

Two cars are traveling at the same speed and hit the brakes at the same time.Car A decelerates (decreases its velocity) at twice the rate of car B.If car B takes time T to stop,how long does it take car A to stop?

• A)4T
• B)2T
• C)T
• D)T /2
• E)T/4

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Definitions:

Production Possibilities Frontier

The production possibilities frontier (PPF) is a curve depicting all maximum output possibilities for two or more goods, given a set of inputs.

Opportunity Cost

The value of the next best alternative that is forgone as a result of making a particular choice.

Inputs

In economics, inputs are the resources used in the production of goods and services, such as labor, materials, and capital.

Trade-off

A situation where making a decision to gain one thing requires sacrificing another.