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November 29, 2014

November 29, 2014

Posted by **Phil** on Thursday, January 8, 2009 at 8:06am.

- Physics -
**drwls**, Thursday, January 8, 2009 at 9:17amThe number of moles of air in the bell remains the same. Use the reationship

PV/T = constant. Let 1 represent sea level condtions and 2 the condistions at 150 m depth.

P1*V1/T1 = P2*V2/T2

Calculate P2-P1 from the depth.

P2 - P1 = (density)*g*100 m = 1.506*10^6 N/m^2

P1 = 1 atm = 1.015*10^5 N/m^2

P2/P1 = 14.8

T2/T1 = 275/293

Solve for V2/V1 . That will equal L2/L1, the ratio of the lengths of the air column in the bell. L1 = 10 m. The distance the water rises is L1 - L2.

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