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:

Budget Line

A graphical representation of all possible combinations of two goods that a consumer can afford given their income and the prices of the goods.

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A deposit account held at a financial institution that provides principal security and a modest interest rate.