A Space Probe Is Put into a Circular Orbit Around

question 248

Multiple Choice

A space probe is put into a circular orbit around the Sun at a distance of exactly 2 au from the Sun. According to Kepler's third law, how long does it take this probe to orbit the Sun once?

• A) 1.6 years (cube root of 4)
• B) 1 year
• C) 8 years
• D) 2.8 years (square root of 8)

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Definitions:

Social Contract

Agreement hammered out between labor and management in leading industries; called a new “social contract.” Unions signed long-term agreements that left decisions regarding capital investment, plant location, and output in management’s hands, and they agreed to try to prevent unauthorized “wildcat” strikes.

Childcare Expenses

Costs that parents or guardians incur in providing care for their children, especially during work hours, including daycare, nannies, and preschool services.

Wage Cuts

A reduction in the amount of money employees are paid for their work, often implemented by employers to reduce costs during economic downturns or financial struggles.

Libertarian Conservatives

A political ideology that emphasizes personal freedom, limited government, free markets, and the protection of individual rights, often intersecting with conservative values on economic issues.