A large balloon of mass 220 kg is filled with helium gas until its volume is 321 m3. Assume the density of air is 1.29 kg/m3 and the density of helium is 0.179 kg/m3.
(a) Draw a force diagram for the balloon. (Do this on paper. Your instructor may ask you to turn in this work.)
(b) Calculate the buoyant force acting on the balloon.
N
(c) What maximum additional mass can the balloon support in equilibrium?
............ kg