Planet a Has Twice the Mass of Planet B

question 174

Multiple Choice

Planet A has twice the mass of Planet B.From this information,what can we conclude about the escape speed for Planet A compared to that of Planet B?

• A)The escape speed for Planet A must be twice as great as the escape speed from Planet B.
• B)The escape speed for Planet A must be four times as great as the escape speed from Planet B.
• C)The escape speed for Planet A is the same as the escape speed from Planet B.
• D)The escape speed for Planet A is greater than the escape speed from Planet B, but we cannot say how much greater.
• E)We cannot conclude anything about the escape speed for Planet A without knowing the radii of the two planets.

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Definitions:

Classifications

The systematic arrangement in groups or categories according to established criteria.

Referent

The specific entity or thing in the real world that a word or phrase identifies or points to.

Dog

A domesticated carnivorous mammal (Canis familiaris) known for its loyalty and companionship as a pet.

Beagle

A breed of small hound dog known for its keen sense of smell and used primarily for hunting hares.