A 2,000 Kg Car Is Traveling at 20

question 40

Multiple Choice

A 2,000 kg car is traveling at 20.0 m/s down a long mountain grade of 1.00%. The mountain road is 3.00 km long. The heat generated at the brakes due to friction heats up the brakes. The mass of the brake system is 20.0 kg and it has a specific heat of 0.200 kcal/kg °C. What is the increase in the temperature of the brakes?

• A) 22.3 °C
• B) 35.1 °C
• C) 40.2 °C
• D) 45.2 °C
• E) 53.6 °C

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Definitions:

Standard Normal Distribution

The standard normal distribution is a special case of the normal distribution that has a mean of zero and a standard deviation of one.

Standard Normal Distribution

A normal distribution with a mean of 0 and a standard deviation of 1, used as a basis for comparison in statistical analysis.

Standard Normal Distribution

is a symmetrical distribution with a mean of 0 and a standard deviation of 1, widely used in statistical analysis.

Stereochemistry

Refers to the study of the spatial arrangements of atoms in molecules and their effects on the chemical and physical properties of substances.