Using 1000 J of Work, a Toy Elevator Is Raised

question 16

Multiple Choice

Using 1000 J of work, a toy elevator is raised from the ground floor to the second floor in 20 seconds. The power needed to do this job was

• A) 1000 W.
• B) 50 W.
• C) 20 W.
• D) 100 W.
• E) 20,000 W.

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Definitions:

Net Income

The total profit of a company after all expenses, taxes, and costs have been deducted from total revenues.

Mortgage Interest

Interest paid on a loan secured by a mortgage on a home, often tax-deductible under certain conditions.

Home Business

A business operated from the residence of the owner, leveraging the flexibility to manage personal and professional life.

§179 Expense Election

A provision of the U.S. tax code that allows businesses to deduct the full purchase price of qualifying assets financed or purchased during the tax year.