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тело - 500 грамм , притягивает сила притяжения с 20 метров .
какова скорость падения тела?
Ответы 1
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Ек = Епmgh = mv^2/2v = √2gh = √2*9,8*20 = 20 м/сФишка в том, что скорость падения не зависит он массы тела
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Автор:
ivoryflynn - 6 лет назад
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