Two Moons Orbit a Planet in Nearly Circular Orbits

question 26

Multiple Choice

Two moons orbit a planet in nearly circular orbits.Moon A has orbital radius r,and moon B has orbital radius 4r.Moon A takes 20 days to complete one orbit.How long does it take moon B to complete an orbit?

• A) 20 d
• B) 40 d
• C) 80 d
• D) 160 d
• E) 320 d

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Definitions:

Nonwhite Area

Nonwhite Area, often used in the context of segregation, refers to geographical locations predominantly inhabited by people of racial or ethnic groups other than white, emphasizing spatial racial divisions.

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Refers to the phenomenon of white people moving out of urban areas, particularly those with a significant minority population, to suburban areas.

Urban Centers

Densely populated cities or metropolitan areas that serve as hubs of economic, political, and cultural activities within a country or region.

Federal Government Loan Programs

Financial assistance programs administered by the federal government to support individuals and organizations in various sectors, including education, housing, and agriculture.