University Physics with Modern Physics with Mastering Physics (11th Edition)

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14.63: To the given precision, the density of air is negligible compared to that of brass, but not compared to that of the wood. The fact that the density of brass may not be known the three-figure precision does not matter; the mass of the brass is given to three figures. The weight of the brass is the difference between the weight of the wood and the buoyant
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Unformatted text preview: force of the air on the wood, and canceling a common factor of and ) ( , brass, air wood wood M ρ ρ V g =-1 wood air brass air wood wood brass wood wood wood 1- -=-= = ρ ρ M ρ ρ ρ M V ρ M kg. 0958 . m kg 150 m kg 20 . 1 1 ) kg 0950 . ( 1 3 3 = -=-...
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This document was uploaded on 02/05/2008.

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