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  • A ballon has volume of 1000 m3 . It is filled with hydrogen ( = 0.09 g/L) . If the density of air is 1.29 g/L then it can lift a to

A ballon has volume of 1000 m3 . It is filled with hydrogen (\rho = 0.09 g/L) . If the density of air is 1.29 g/L then it can lift a total weight of 

Option: 1

600 kg


Option: 2

1200 kg


Option: 3

300 kg


Option: 4

1800 kg


Answers (1)

1 g/L = 1 kg/m3

Uptrust = total downward force

1000 x 1.29 x g = (1000 x 0.09g) + mg

m = 1200 kg

Posted by

Kshitij

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