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MCQIntermediateGravitation, Orbits & Dynamics

USAAAO — 2016 First Round

Question 9

Phobos orbits around 9,376 km away from the center of its host planet, Mars, and has an orbital period of 8 hours. What is the centripetal acceleration of Phobos due to Mars’ gravitational pull? The mass of Mars is 6.39*10²³ kg.

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Source

Source: USAAAO 2016 First Round, Question 9.