A 700-N Man Jumps Out of a Window into a Fire

question 56

Multiple Choice

A 700-N man jumps out of a window into a fire net 10 m below.The net stretches 2 m before bringing the man to rest and tossing him back into the air.The maximum potential energy of the net, compared to its unstretched potential energy, is:

• A)300 J
• B)710 J
• C)850 J
• D)7000 J
• E)8400 J

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Definitions:

Economic Profits

The surplus remaining after deducting both explicit and implicit costs from total revenues, often indicating the profitability beyond normal returns.

Competitive Market

A market structure characterized by numerous buyers and sellers, such that no single market participant has the power to significantly influence prices.

Market Price

The current price at which a good or service can be bought or sold.

Total Revenue

The total income generated by the sale of goods or services by a company.