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When hot air is filled in a balloon, it goes up. which one is lighter? Hot air or cold air?
Verified Answer
When hot air is filled in a balloon, it goes up. which one is lighter?...
Hot air is less dense than cool air; the heated air causes the balloon to rise simply because it is lighter than an equal volume of cold air. Buoyancy is an upward force that the air exerts, and it helps hot-air balloons and blimps stay in the air.
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Most Upvoted Answer
When hot air is filled in a balloon, it goes up. which one is lighter?...
Cold air goes down .
Community Answer
When hot air is filled in a balloon, it goes up. which one is lighter?...
Hot air
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When hot air is filled in a balloon, it goes up. which one is lighter? Hot air or cold air?
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