The Coefficient of Static Friction for the Tires of a Race

question 49

Multiple Choice

The coefficient of static friction for the tires of a race car is 0.950 and the coefficient of kinetic friction is 0.800.The car is on a level circular track of 50.0 m radius on a planet where
Compared to Earth's
) If the car is to be able to travel at the same speed on the planet as on Earth,the radius of the track on the planet must be ____ times as large as the radius of the track on Earth.

• A)0.250
• B)0.500
• C)1.00
• D)2.00
• E)4.00

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Definitions:

Economic Rents

Earnings in excess of the minimum amount required to keep a resource in its current use, often due to scarcity or monopolistic control.

Accrue

The accumulation or increase of something over time, especially payments or benefits.

Changes in Rent

Variations in the lease price for rental properties due to factors like market demand, location, and quality of the property.

Demand and Supply

The basic economic principle that describes the quantities of goods and services that buyers are willing and able to purchase at various prices and the quantities sellers are willing to sell.