Calculation formula of air density

Calculation formula of air density

In 1783, French physicist Charles made the world's first manned balloon with a volume of 620 cubic meters. If the buoyancy of the balloon near the ground is measured to be 7800 n, according to the buoyancy calculation formula: F floating = g row, so the weight of the air discharged by the balloon is 7800 n, according to the gravity calculation formula