Question a hot-air balloon plus cargo has a mass of 283 kg, Ask an Expert

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Question: A hot-air balloon plus cargo has a mass of 283 kg and a volume of 825 m³. The balloon is floating at a constant height of 6.25 m above the ground. The density of the outside air may be assumed to be 1.29 kg/m³.

1- What is the density of the hot air in the balloon?

Please explain each step and the equations you used. Thanks!

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