What Is the Escape Speed from a Planet of Mass

question 21

Multiple Choice

What is the escape speed from a planet of mass M and radius R if M = 3.2 * 1023 kg and R = 2.4 * 106 m?

• A)5.5 km/s
• B)4.2 km/s
• C)5.2 km/s
• D)4.8 km/s
• E)3.7 km/s

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Definitions:

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