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![A balloon of diameter 20 m weighs 100 kg. Calculate its payload if it is filled with He at 1.0 atm and 27^o C. Density of air is 1.2 kg m^-3 . A balloon of diameter 20 m weighs 100 kg. Calculate its payload if it is filled with He at 1.0 atm and 27^o C. Density of air is 1.2 kg m^-3 .](https://haygot.s3.amazonaws.com/questions/1701660_1738355_ans_07449df3e6574ff199acd9fbe45df60e.jpg)
A balloon of diameter 20 m weighs 100 kg. Calculate its payload if it is filled with He at 1.0 atm and 27^o C. Density of air is 1.2 kg m^-3 .
![SOLVED: Balloons are often filled with helium gas because it weighs only about one- seventh of what air weighs under identical conditions. The buoyancy force which can be expressed as FB PargV SOLVED: Balloons are often filled with helium gas because it weighs only about one- seventh of what air weighs under identical conditions. The buoyancy force which can be expressed as FB PargV](https://cdn.numerade.com/ask_images/098809124c054d8ea4e7edb01bee2f38.jpg)
SOLVED: Balloons are often filled with helium gas because it weighs only about one- seventh of what air weighs under identical conditions. The buoyancy force which can be expressed as FB PargV
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