Вертикально подвешенная пружина под действием груза массой 250 г растянулась с 10 см до 12 см. (Пусть g = 10Н/кг ). Найди жёсткость пружины.
Тян255
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14.02.2020 13:39
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mg=kx k=mg/x-x=2,5/0.02=125H/m
Объяснение: