At the bottom of the vertical sealed glass tube length l = 100 cm column of air is limited from above the mercury column height h1 = 40 cm. The mercury fills the tube to the top level. The tube was inverted open end down, and the mercury is poured. What is the height of the column of mercury h2, which will remain in the tube, if the atmospheric pressure pa = 1 * 10 ^ 5 Pa?

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