1.

A balloon weighing 50 kg is filled with 685.2 kg of helium at 1 atm pressure and 25^(@)C . What will be its pay load if it displaced 5108 kg of air ?

Answer»

4372.8kg
4422.8kg
5793.2kg
5843.2kg

Solution :MASS of FILLED BALLOON = `50 + 685.2= 735.2 KG `
Pay LOAD = Mass of displaced air - Mass of balloon
`= 5108-735.2= 4372.8 kg `


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