At the Same Moment from the Top of a Building

question 21

Multiple Choice

At the same moment from the top of a building 3.0 × 10² m tall, one rock is dropped and one is thrown downward with an initial velocity of 10 m/s. Both of them experience negligible air resistance. How much EARLIER does the thrown rock strike the ground?

• A) 0.95 s
• B) 0.86 s
• C) 0.67 s
• D) They land at exactly the same time.

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Definitions:

Marginal Utility

The additional satisfaction or benefit (utility) that a consumer gains from consuming one more unit of a good or service.

Consumer Behavior

Consumer behavior examines the decision-making processes and actions of individuals or groups in purchasing and using goods and services.

Maximizes Satisfaction

Refers to the act of choosing options that result in the highest level of satisfaction or utility for an individual or group, based on preferences.

Rational

Behaviors and decisions that maximize a person’s chances of achieving his or her goals. See rational behavior.