A blimp weighing 400 lbs has a volume of 9000 ft3 , is filled with helium (γ = XXXXXXXXXXlb/ft3 ), and floats in the air (γ = 0.09 lb/ft3 ). (a) Draw the free body diagram for the blimp floating in...

A blimp weighing 400 lbs has a volume of 9000 ft3 , is filled with helium (γ = 0.0115 lb/ft3 ), and floats in the air (γ = 0.09 lb/ft3 ). (a) Draw the free body diagram for the blimp floating in the air and carrying a load. (b) Determine the maximum load that may be suspended from the blimp in order for it to remain in static equilibrium.