Предмет: Физика, автор: Диана0498

снаряд массой 2 кг вылетает из ствола орудия горизонтально со скоростью 1000 м/с.Определите силу давления пороховых газов, считая ее постоянной, если длина ствола равна 3,5 м

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Автор ответа: sokolovvovikn

Работа пороховых газов равна изменению кинетической энергии снаряда:
F*L=m*V^2/2
F=m*V^2/2*S=2*1000^2/2*3,5=2,8*10^5 H

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