A Pendulum of Length L Is Suspended from the Ceiling

question 45

Multiple Choice

A pendulum of length L is suspended from the ceiling of an elevator.When the elevator is at rest the period of the pendulum is T.How would the period of the pendulum change if the supporting chain were to break,putting the elevator into freefall?

• A)The period does not change.
• B)The period increases slightly.
• C)The period decreases slightly.
• D)The period becomes zero.
• E)The period becomes infinite because the pendulum would not swing.

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Definitions:

Producing

The act of creating, manufacturing, or otherwise bringing into existence goods or services to be offered for consumption or use by others.

ATC

Average Total Cost; the sum of all production costs divided by the quantity of output, representing the cost per unit including both fixed and variable costs.

Monopoly Power

The exclusive ability of a company to determine the price and production level of a product or service in the market.

Marginal Revenue

The gain in revenue resulting from the sale of one extra unit of a good or service.