Consider a balloon of mass 0.030kg being inflated with a gas of density 0.54kg/m. What will be the volume of the balloon when it

Question

1 year ago

7

just begins to rise in the air of density 1.29kg/m3. (g=10m/s2) Detailed Explanation Please

1 answer:

Nonamiya [84] · Answer 1 · 2024-03-24T16:50:10+03:00

7 0

the weight of the balloon is .030 * 10 = 0.3 N

the weight of the gas of volume v is 0.54*10 N

The lifting force of a volume of v m³ of displaced air is 1.29v N

so, we need

1.29*10*v = 0.3 + 0.54*10*v

or

1.29v = 0.03+0.54v