Чему равна сила тяжести, действующая железный кубик, длина ребра которого равна 50см?
Плотность железа равна 7800 кг/м^3
У МЕНЯ К/Р
Анестнйшен
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10.02.2021 12:08
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2
F=mg
m=pV
V(куба)=
м
F=pVg
F=7800*
*10=9750H
Объяснение: