Solution Found!
Solved: In hot-air ballooning, a large balloon is filled
Chapter 12, Problem 6DQ(choose chapter or problem)
QUESTION:
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?
Questions & Answers
QUESTION:
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?
ANSWER:Solution 6DQ
Hot air has a density lower than air at normal temperature. With an increase in temperature of air, its density decreases. Thus hot air will tend to rise above normal temperature air and for this reason the air of the balloon is heated.