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Homework Statement
I have a Torricelli barometer column filled with mercury.
Situation 1: Temperature1 = 20° C. Height: 0,760 m. Outer pressure:1 atm.
Situation 2: Temperature2 = 35° C. Height: 0,762 m.
Coefficient of termic dilation in the interval (T1, T2): [itex]18,2
*10^-5 (°C)^-1[/itex]
Find outer pressure in Situation 2.
2. The attempt at a solution
I used a proportion: [itex]1 atm : 0,760 m = x atm : 0,762 m[/itex]. But my result is wrong.
What would you do?
Thank you so much