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**Unformatted text preview: **m 10 79 . 1 6 is now the apolune distance, and the perilune can be found from m. 10 706 . 1 , 6 2 = = + p r r r a p a Obviously this is less than the radius of the moon, so the spacecraft crashes! At the surface, kg. J 10 818 . 2 or, 6 m -=-= U U R GM Since the total energy at the surface is kg, J 10 40 . 1 6 -the kinetic energy at the surface is h. km 6057 s m 10 682 . 1 or kg, J 10 415 . 1 So, kg. J 10 415 . 1 3 6 2 2 1 6 = = = v v...

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