Максим_Нина
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Довгий (i) тонкий стержень масою m, що лежав на горизонтальнiй поверхнi, пiдняли у вертикальне положення.на скiльки змiнилась потенцiальна енергiя стержня

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Busyashaa
Если длина стержня L, то потенциальная энергия определяется высотой поднятия центра тяжести стержня (h=L/2)
Ep=m*g*L/2
volchek01112240

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Must Waste More Time...


Дано: U₁=15V, I₂=50мА, U₃=30V, R1=1000 , R₂=700 , R₃=500 Знайти: P₁₂ , Ii , Ui , Pu₁ ?
Анна Марина1873

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Must Waste More Time...


3. 200 грам ВОДЫ при температуре 15 °С смешали с 300 грамм водой при температуре 90°с. Найдите устан

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Довгий (i) тонкий стержень масою m, що лежав на горизонтальнiй поверхнi, пiдняли у вертикальне положення.на скiльки змiнилась потенцiальна енергiя стержня
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