Задача id12913

A thin-walled glass of mass M = 50 g is placed upside down on the surface of the water and slowly released into the depths so that it remains vertical all the time. To what minimum depth must a glass be lowered for it to sink? Glass height H=10 cm, bottom area S=20 cm2. Neglect the vapor pressure of water in the glass. Atmospheric pressure Po = 1 atm.

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