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Unformatted text preview: . Note that will cancel out, since both and are proportional to . If the two forces are made equal at any distance from the sun, they will be equal everywhere. The last equation can be solved for A to give, A cGMm P A = = 2 2 30 10 6 67 10 199 10 1500 390 10 8 11 30 26 . Then, after we look up the numbers, we get, m/s) N m kg kg kg) W 2 2 ( . ( . / )( . )( . A = 9.62 10 5 m If we take the square root of the answer, we find that the area calculated corresponds to a square sail with edges that are 980 m long. Each edge is nearly a kilometer long, or about 0.61 miles....
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 Spring '06
 Stoler
 Force, Mass

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