Накресліть схем електричного кола , що складається з джерела струму , двох резисторів і електричної лампи , з'єднаних послідовно , амперметра , вольтметра і ключів складіть електричне коло за накресленною схемою
А зачем плотность ртути? Давление - это же отношение силы к площади. Отсюда сила равна давлению, умноженному на площадь контакта. 760 мм рт. ст. = 101325 Па, F = 101325 * 0.009 = 911.925 H.
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760 мм рт. ст. = 101325 Па, F = 101325 * 0.009 = 911.925 H.
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