# physics

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On a perfect fall day, you are hovering at low altitude in a hot-air balloon, accelerated neither upward nor downward. The total weight of the balloon, including its load and the hot air in it, is 24000 N.
Find the weight of the displaced air.
!!I got this: it is 2.4×10^4 N
Find the volume of the displaced air.

• physics -

never mind......took another 50 % ran out of time, Got the 1st part but not the 2nd ughhhh

• physics -

For the volume of displaced air, divide the mass (W/g = 2446 kg) by the density of air, which is about 1.3*10^-3 kg/m^3, depending upon P and T.

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