- #1
pat666
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Homework Statement
How much helium (density 0.18) is requires to lift a 340kg balloon. density of air is 1.28
Homework Equations
The Attempt at a Solution
\i don't know why i keep getting the wrong answer
buoyant force required is 340g which = rho g V
and i keep getting 1888.89m^3 which i can see is way to big, what i can't see is what is wrong with my procedure?