In hot-air ballooning, a large balloon is filled with air heated by a gas burner at the

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In hot-air ballooning, a large balloon is filled with air heated by a gas burner at the bottom. Why must the air be heated? How does the balloonist control ascent and descent?

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University Physics with Modern Physics

ISBN: 978-0133977981

14th edition

Authors: Hugh D. Young, Roger A. Freedman

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Question Posted: Oct 11, 2018 12:42 PM

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In hot-air ballooning, a large balloon is filled with air heated by a gas burner at the

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Hot air has a smaller density than the surrounding air so the ...View the full answer

University Physics with Modern Physics

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