When a Single Boxcar in the Freight Yard Hooks onto a Stationary

question 13

Multiple Choice

When a single boxcar in the freight yard hooks onto a stationary string of four boxcars, as in example 7.4, there is some kinetic energy lost. Which of the following could account for the missing energy?

• A) Sound energy in the loud CLANG when they hook together.
• B) Heat energy in the clamping mechanism between cars as it opens and then captures the fifth boxcar.
• C) Both A and B

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Definitions:

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A business owned and operated by a single individual, with no legal distinction between the owner and the business entity.

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A type of corporate structure specifically designed for licensed professionals, such as doctors, lawyers, and accountants, providing certain tax and legal benefits.

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Individuals or entities that own one or more shares of stock in a corporation, making them part owners of the company with certain rights and responsibilities.