Задача id9020
Balloons are filled with hydrogen or helium. The density of hydrogen is 0.09 kg/m3, the density of helium is twice that, and the density of air is 1.29 kg/m3. By what percentage is the lifting force of hydrogen greater than the lifting force of helium?
Detailed solution. Format png
Оплата и выдача товара осуществляются через партнёрскую платформу.