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QUESTION 2 An astronaut lands on a distant unmanned planet having a radius of 4000 km. When he jumps with an initial speed of
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£mymgh 42 g= gravitational accelanation of planet yr 25 (a) we know, GM g 2x 1.6 g= Rr = 5 m/s M =. Rrg G (4.800 (8 x 5 6-674

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