A 200-Kg Metal Block Slides on a Rough, Horizontal Surface Inside

question 66

Multiple Choice

A 2.00-kg metal block slides on a rough, horizontal surface inside an insulated pipe. After sliding a distance of 500.0 m, its temperature is increased by 2.00 °C. Note: Assume that all of the heat generated by frictional heating goes into the metal block. For this metal, the specific heat capacity is 0.150 cal/(g · C°) .
-What is the coefficient of sliding friction between the block and the surface?

• A)zero
• B)0.061
• C)0.100
• D)0.256
• E)0.299

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Definitions:

Consumption

The process by which goods and services are used up by consumers, representing the end phase of the economic cycle.

Income

Financial gains, customarily on a constant basis, from vocational activities or investments.

Interest Rate

The percentage charged on a sum of money borrowed or earned on deposited funds over a period of time.

Utility Function

A representation in economics that shows the relationship between the utility (satisfaction) individuals receive from consuming goods and services and different consumption bundles.