ch14-p047 - 47. (a) When the model is suspended (in air)...

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47. (a) When the model is suspended (in air) the reading is F g (its true weight, neglecting any buoyant effects caused by the air). When the model is submerged in water, the reading is lessened because of the buoyant force: F g – F b . We denote the difference in readings as Δ m . Thus, () gg b FF F m g −−= Δ which leads to F b = Δ mg . Since F b = ρ w gV m (the weight of water displaced by the model) we obtain 43 0.63776kg 6.378 10
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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