Two Planets Have the Same Free-Fall Acceleration on the Surface,but $\sqrt { 2 }$

question 73

Multiple Choice

Two planets have the same free-fall acceleration on the surface,but planet B has twice the radius of planet A.If planet A has mass m,what is the mass of planet B?

• A)m/ \(\sqrt { 2 }\)
• B)m
• C)m \(\sqrt { 2 }\)
• D)4m
• E)m/4

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Definitions:

Consumption Function

An economic formula that represents the relationship between total consumption and gross national income.

Disposable Income

The financial resources families have for expenditures and savings after income taxes are removed.

Disposable Income

The total funds available to families for spending and saving after subtracting income tax.

Transfer Payments

Payments made by governments to individuals without any expectation of a good or service in return, such as welfare or unemployment benefits.