How many helium-filled balloons would it take to lift a person? Assume the person has a mass of 72 kg and that each helium-filled balloon is spherical with a diameter of 33 cm.
Added by Nate C.
Step 1
First, we need to find the volume of a single helium-filled balloon. The formula for the volume of a sphere is V = (4/3)Ļr^3, where r is the radius. Since the diameter is 33 cm, the radius is 16.5 cm. Show moreā¦
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