The Moon Demos Takes 30 Hours 26 Minutes to Complete

question 24

Multiple Choice

The moon Demos takes 30 hours 26 minutes to complete one orbit around Mars.Assuming it orbits in a circular path and its average speed is 1348 m/s,what is the radius of Demos' orbit around Mars?

• A)4.08 * 10⁶ m
• B)2.56 * 10⁵ m
• C)8.69 * 10⁶ m
• D)1.47 * 10⁸ m
• E)2.35 * 10⁷ m

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