A Person Stands on the Edge of a Cliff

question 81

Multiple Choice

A person stands on the edge of a cliff. She throws three identical rocks with the same speed. Rock X is thrown vertically upward, rock Y is thrown horizontally, and rock Z is thrown vertically
Downward. If the ground at the base of the cliff is level, which rock hits the ground with the
Greatest speed if there is no air resistance?

• A) Rock X
• B) Rock Y
• C) Rock Z
• D) They all hit the ground with the same speed.

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Definitions:

Output

The total quantity of goods or services produced by a business, industry, or economy within a specific period.

Peak Efficiency

The state in which an entity or system is operating at its maximum potential and efficiency, without waste of resources.

Average Total Cost

This refers to the total cost per unit of output, calculated by dividing the total cost of production by the number of units produced.

Marginal Cost

The rise in expense incurred from manufacturing an extra unit of a product or service.