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Unformatted text preview: tokarski (at23678) Gravitation and ocsillation Morozova (11104) 1 This print-out should have 14 questions. Multiple-choice 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