ch14-p082 - water pressure p w = w gh , where h = 11.2 cm....

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82. If the mercury level in one arm of the tube is lowered by an amount x , it will rise by x in the other arm. Thus, the net difference in mercury level between the two arms is 2 x , causing a pressure difference of Δ p = 2 ρ Hg gx , which should be compensated for by the
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Unformatted text preview: water pressure p w = w gh , where h = 11.2 cm. In these units, w = 1.00 g/cm 3 and Hg = 13.6 g/cm 3 (see Table 14-1). We obtain 3 3 Hg (1.00 g/cm ) (11.2 cm) 0.412 cm. 2 2(13.6 g/cm ) w gh x g = = =...
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