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mary320
@mary320
July 2022
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Груз массой 10 кг свободно падает с высоты 80 м. Определите кинетическую и потенциальную энергии груза после 3 с падения. Считать g = 10 м/с2.
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sokolovvovikn
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Ep=m*g*(h0-g*t^2/2)=10*10*(80- 10*9/2)=3500 Дж
V=g*t=10*3=30 м/с
Ek=m*V^2/2=10*900/2=4500 Дж
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Ep=m*g*(h0-g*t^2/2)=10*10*(80- 10*9/2)=3500 ДжV=g*t=10*3=30 м/с
Ek=m*V^2/2=10*900/2=4500 Дж