A Hypothetical Planet Has a Mass of One-Half That of the Earth

question 38

Multiple Choice

A hypothetical planet has a mass of one-half that of the earth and a radius of twice that of the earth.What is the free-fall acceleration on the planet in terms of g,the free-fall acceleration at the surface of the earth?

• A)g
• B)g/2
• C)g/4
• D)g/8
• E)g/16

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