bouyancy force = weightairin100m^3-weightHein100m^3
force needed=bouyancy force-30kg*g
how do you get the weight? YOu need to make assumptions about pressure and temperature.
A 30 kg. balloon is filled with 100 m to the third power of helium. how much force is needed to hold it down?
2 answers
0.81 KN
1 answer