Posted by **Anonymous** on Thursday, January 26, 2012 at 10:41am.

A cubic box of volume 4.2 multiplied by 10-2 m3 is filled with air at atmospheric pressure at 20°C. The box is closed and heated to 195°C. What is the net force on each side of the box?

My attempted solution:

.042^(1/3) = .3476 m for the area

.042^(2/3) = .1208 m for the area of a side

(273 + 195)/(273+20) = 1.597

1.597 * .1208 = .19292

.19292 was my answer.

Did I not take this far enough or is the entire set-up wrong?

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