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12. A hypothetical planets radius is 6500 km and its surface gravity is 10.0 m/s2. a. What is the escape velocity on the hypothetical planet? b. What is the mass of this planet? c. What is the average density of this planet? d. How high will a particle rise off of the planets surface if it leaves the surface of the planet with a vertical velocity of 3000 m/s?

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2 C> 6-6フメ16) 6334x 1024 G) 2 GM 2 dinig.in. 6-334(6sovsrd 2 4 c) 16 y3 2

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