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Кинетическая энергия тела, движущегося со скоростью 4 м/с , равна 24Дж. Чему равна масса тела?
Ответы 2
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Е=mv2/2m=2e/v2m=48/16=3кг
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Автор:
nikitalozano - 5 лет назад
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0
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Eк=m*V^2/2m=E к/V^2*2E к=24 ДжV=4 м/cm=24 Дж/4м/c^2*2=0,75кг
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Автор:
elodieaxkf - 5 лет назад
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0
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