An Airplane Flies in a Horizontal Circle of Radius 500

question 27

Multiple Choice

An airplane flies in a horizontal circle of radius 500 m at a speed of 150 m/s. If the radius were changed to 1000 m, but the speed remained the same, by what factor would its centripetal acceleration change?

• A) 0.25
• B) 0.50
• C) 1.00
• D) 2.00
• E) 4.00

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Definitions:

Equilibrium Quantity

The quantity of goods or services supplied in the market at which the quantity demanded equals the quantity supplied, leading to a stable market price.

Supply

The total amount of a good or service that is available for purchase at any given price level.

Demand

The extent of a good or service that patrons are inclined and have the ability to secure at different price ranges over a set period.

Substitute

A product or service that can be used in place of another, offering consumers an alternative choice.