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A 3.2 kg balloon is filled with helium. The balloon is a sphere with a radius...

A 3.2 kg balloon is filled with helium. The balloon is a sphere with a radius of 4.9 m. Density helium = 0.179kg/m3 Volume of a sphere = 4/3 πr3 (20 points)(a) What is the volume of the balloon?(b) What is the weight of the helium inside? (c) What is the buoyant force on the balloon as it floats in air?(d) What is the total downward force on the balloon?

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