P15_076 - p w = w gh , where h = 11 . 2 cm. In these units,...

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76. 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 diFerence in mercury level between the two arms is 2 x , causing a pressure diFerence of p =2 ρ Hg gx , which should be compensated for by the water pressure
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Unformatted text preview: p w = w gh , where h = 11 . 2 cm. In these units, w = 1 g / cm 3 and Hg = 13 . 6 g / cm 3 (see Table 15-1). We obtain x = w gh 2 Hg g = ( 1 . 00 g / cm 3 ) (11 . 2 cm) 2 (13 . 6 g / cm 3 ) = 0 . 412 cm ....
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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