125. Задачка по химии №012 561

To shake off mercury in a medical thermometer, you need to create an acceleration equal to 10g. Calculate the diameter of the constriction in the capillary of the thermometer, if the surface tension of mercury is 0.475 J/m2, the length of the mercury column above the constriction is 5 cm, and the density of mercury is 13.54 g/cm3.

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