
Grade 12th passElectric Current
A balloon contains 500 m 3 of hydrogen. If the mass of the balloon without hydrogen is 30kg.Its net lifting ability is (Density of hydrogen = 0.09 k g / m 3 , Density of air = 1.3 k g / m 3 )
A balloon contains 500 m 3 of hydrogen. If the mass of the balloon without hydrogen is 30kg.Its net lifting ability is (Density of hydrogen = 0.09 k g / m 3 , Density of air = 1.3 k g / m 3 )




