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How do I get part a and b (25 pts) A hot air balloon is a sphere of radius 8.08 m. The density of the

How do I get part a and b

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(25 pts) A hot air balloon is a sphere of radius 8.08 m. The density of the hot air inside is 1.13 kg/m', while the air outside has a density of 1.29 kg/m'. The balloon itself has a mass of 235 kg. a) What is the Buoyant Force acting on the balloon? b) How much additional mass can the balloon carry and still be able to float

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