Предмет: Физика, автор: Аноним

Тело массой 1 кг движется со скоростью 2 м/с . Какова его кинетическая энергия???

Ответы

Автор ответа: a846726

$E_k= cfrac{mv^2}{2}= cfrac{1*2^2}{2}= cfrac{4}{2}=2$ Дж

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