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## Homework Statement

A hot air balloon experiences an acceleration of 110 m/s2 [down]. The total mass of the balloon is 315kg

What is the buoyant force of the system?

a

_{balloon}= 110m/s

^{2}

a

_{gravity}= 9.8m/s

^{2}

m

_{total}= 315

## Homework Equations

F

_{gravity}= 315 * 9.8 = 3087

F

_{net}= 315 * 110 = 34650

## The Attempt at a Solution

-F

_{up}+ F

_{gravity}= F

_{net}

-F

_{up}+ 3087 = 34650

-F

_{up}= 34650 - 3087

-F

_{up}= 31563

Which is not the answer 274 N up

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