To Drive a Typical Car at 40 Mph on a Level

question 35

Multiple Choice

To drive a typical car at 40 mph on a level road for one hour requires about 3.2 × 10⁷ J of energy.Suppose we tried to store this much energy in a spinning,solid,uniform,cylindrical flywheel.A large flywheel cannot be spun too fast or it will fracture.If we used a flywheel of diameter 1.2 m and mass 400 kg,what angular speed would be required to store 3.2 × 10⁷ J?

• A)1800 rad/s
• B)3600 rad/s
• C)940 rad/s
• D)530 rad/s
• E)5500 rad/s

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Definitions:

Cognitive Labeling

The process of identifying and naming the emotions one is experiencing.

Expressive Behaviors

Actions that outwardly demonstrate or convey one's emotions, thoughts, or feelings to others.

James-Lange Theory

A theory of emotion that posits that physiological arousal precedes the experience of emotion, suggesting emotions are the result of perceiving body changes.

Cognitive Appraisal

The process by which an individual evaluates and interprets a situation, determining its significance for their well-being.