Asked by Christina
A hot air balloon of radius 12 meters has been heated so that the air inside has a density of 1.05 kg/m^3. What can the total load of the balloon be (mass of balloon itself plus cargo) if you need the balloon to accelerate into the air with an acceleration of 4 m/s^2?
Answers
Answered by
bobpursley
bouyancy=(densityair-densityinside)Volume*g
Now for the density of air, we really need temperature, and relative humidity. Assuming 25C, dry air, density air is 1.1839kg/m^3
bouyancy= (1.18-1.05)*9.8*4/3 PI 12^3
net force=mass*acceleration
bouyancy= mass*4 solve for mass
Now for the density of air, we really need temperature, and relative humidity. Assuming 25C, dry air, density air is 1.1839kg/m^3
bouyancy= (1.18-1.05)*9.8*4/3 PI 12^3
net force=mass*acceleration
bouyancy= mass*4 solve for mass
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