An Ideal Frictionless Engine Takes in 10 KJ of Heat

question 64

Multiple Choice

An ideal frictionless engine takes in 10 kJ of heat per second when it operates between 500 K and 400 K. The work that the engine does per second is

• A) 2 kJ.
• B) 2.5 kJ.
• C) 8 kJ.
• D) 10 kJ.

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Definitions:

Cumulative Earnings

The total amount of net income a company has earned over time since its inception, excluding any dividends paid to shareholders.

Social Security Tax

A tax that finances the Social Security program, collected from both employers and employees, to fund retirement, disability, and survivorship benefits.

Federal Income Tax

The tax levied by the U.S. federal government on the annual earnings of individuals, corporations, trusts, and other legal entities.

State Unemployment Tax

A tax that employers are required to pay to their state government to fund unemployment benefits for workers who have lost their jobs.