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Вычислить энергию связи ядер He 4/2 (масса ядра 4,00260 а.е.м.) и Be 7/4 (масса ядра 7,01693 а.е.м.) Масса протона 1,00783 а.е.м., нейтрона 1,00867 а.е.м., где 1 а.е.м. = 1,660·10-27 кг.

Ruslan 28 июня 2018 г., 15:50:38 (24 дня назад)
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