A balloon of volume 100 m3 is filled with hot air of density 0.40 kg/m3. If the fabric of balloon weighs 16 kgf and equipment P is attached to it, such that balloon is in the state of equilibrium. Calculate weight of the cold air displaced.
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● Answer -
130 kgf
● Explaination -
Weight of hot air in balloon
= density × volume
= 100 × 0.4
= 40 kgf
Total weight of hot air & balloon
= 40 + 16
= 56 kgf
Weight of cold air displaced
= volume × density
= 100 × 1.3
= 130 kgf
Therefore, weight of cold air displaced by hot air balloon is 130 kgf.
Hope this helps you...
● Answer -
130 kgf
● Explaination -
Weight of hot air in balloon
= density × volume
= 100 × 0.4
= 40 kgf
Total weight of hot air & balloon
= 40 + 16
= 56 kgf
Weight of cold air displaced
= volume × density
= 100 × 1.3
= 130 kgf
Therefore, weight of cold air displaced by hot air balloon is 130 kgf.
Hope this helps you...
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