An Electric Motor on an Airplane Operates on 21

question 111

Multiple Choice

An electric motor on an airplane operates on 21.5 volts and draws a current of 11.0 amperes.How much energy (in joules) does the motor use during a 9.0-hour flight?

• A)1064.4
• B)2128.5
• C)127710.0
• D)7662600.0

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Definitions:

Rate of Return

The gain or loss of an investment over a specified period, expressed as a percentage of the investment's cost.

Total Costs

The overall expense incurred in the production of goods or services, including both fixed and variable costs.

Hourly Price

A pricing method where goods, services, or labor are priced per hour, commonly used in billing for professional services or wages for hourly employees.

Wage Rate

The amount of money paid to a worker per unit of time, often an hour or a year.