A Trough Has Vertical Ends That Are Equilateral Triangles with Sides

question 160

Multiple Choice

A trough has vertical ends that are equilateral triangles with sides of length $7 \mathrm { ft }$ . If the trough is filled with water to a depth of $4 \mathrm { ft }$ , find the force exerted by the water on one end of the trough. Round to one decimal place. (The weight density of water is $62.4 \mathrm { lb } / \mathrm { ft } ^ { 3 }$ .) Select the correct answer.

• A) \(\quad 384.3 \mathrm { lb }\)
• B) \(1,337.7 \mathrm { lb }\)
• C) \(768.6 \mathrm { lb }\)
• D) \(2,675.4 \mathrm { lb }\)

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Definitions:

Imperfectly Competitive

A market structure characterized by few sellers, differentiated products, and barriers to entry, which does not meet the criteria of perfect competition.

Monopoly

A market structure characterized by a single supplier that has exclusive control over a good or service, potentially leading to higher prices and restricted output.

Demand Schedule

A table that shows the quantity of a good or service that consumers are willing and able to purchase at various prices.

Profit-Maximizing

A strategy where a firm adjusts production and sale levels to generate the highest profit possible.