69. A hollow copper ball (ρ = 8.93 g / cm3) weighs 3 h in air and in water (ρ ´= 1 g / cm3) - 2H. Neglecting air buoyancy determine the volume of the internal cavity of the ball.
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
No feedback yet
Мы используем куки для улучшения работы сайта. Подробнее