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Posted by on Wednesday, November 7, 2012 at 10:40pm.

A large balloon of mass 237 kg is filled with helium gas until its volume is 318 m3. Assume the density of air is 1.29 kg/m3 and the density of helium is 0.179 kg/m3.

(b) Calculate the buoyant force acting on the balloon.________N

(c) Find the net force on the balloon and determine whether the balloon will rise or fall after it is released.____N


(d) What maximum additional mass can the balloon support in equilibrium?_____kg

(e) What happens to the balloon if the mass of the load is less than the value calculated in part (d)?
(X) The balloon and its load will accelerate downward.
(x)The balloon and its load will remain stationary.
(x)The balloon and its load will accelerate upward.

(f) What limits the height to which the balloon can rise?

  • physics - , Wednesday, November 21, 2012 at 12:00am

    a) 1
    d
    d
    d

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