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Physics unit 2 cheat sheet physics unit 2 cheat sheet. Light and matter. 1 parsec 3 08 x 1016 m 3 26 light year some approximate masses object kilogram our galaxy 2 x 1041 sun 2 x 1030 moon 7 x 1022 asteroid eros 5 x 1015 dimensions.
Having on hand the most frequently used physics equations and formulas helps you perform these tasks more efficiently and accurately.
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