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Answer to Question #81551 in Physics for Lisa

Question #81551
Dana threw a balloon into air.The balloon came back down.Gravity caused the balloon to come back. Explain why.
1
Expert's answer
2018-10-01T13:43:09-0400
Gravity caused the balloon to come back and buoyancy caused the balloon to rise up. When balloon came back down it means that the gravity force exceeds the buoyancy force. I.e. the density of the gas in the balloon is greater than the density of the air.

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