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Unformatted text preview: tokarski (at23678) Gravitation and ocsillation Morozova (11104) 1 This printout should have 14 questions. Multiplechoice questions may continue on the next column or page find all choices before answering. 001 (part 1 of 2) 10.0 points On the way to the moon, the Apollo astro nauts reach a point where the Moons gravi tational pull is stronger than that of Earths. Find the distance of this point from the center of the Earth. The masses of the Earth and the Moon are 5 . 98 10 24 kg and 7 . 36 10 22 kg, respectively, and the distance from the Earth to the Moon is 3 . 84 10 8 m. Answer in units of m. 002 (part 2 of 2) 10.0 points What is the acceleration due to the Earths gravity at this point? The value of the universal gravitational constant is 6 . 672 10 11 N m 2 / kg 2 . Answer in units of m / s 2 . 003 (part 1 of 2) 10.0 points The planet Mars requires 2 . 36 years to orbit the sun, which has a mass of 2 10 30 kg, in an almost circular trajectory....
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This document was uploaded on 06/01/2009.
 Spring '08

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