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F2-12: HOT AIR BALLOON 7 years 11 months ago #434

  • zzfixk23
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ID Code: F2-12
Purpose: Show that hot air is less dense than cold air by operating a hot air balloon.
Description: A 15-ampere hot air gun is used to inflate a hot air balloon. Within less than a couple of minutes the buoyant force becomes sufficient that the balloon will rise. Be careful not to let the hot air blast directly on the balloon plastic skin (upper left), or it will melt the plastic.
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Last edit: by zzfixk21.

F2-12: HOT AIR BALLOON 7 years 5 months ago #1601

  • daetwyler
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AAPT's Compadre site has a link to an online tutorial on the topic: www.compadre.org/precollege/items/detail.cfm?ID=10706

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