If pressure inside a cylinder with a circular hatch is 2 atm and the radius of the entrance hatch is 12 inches, what force does the air exert on the hatch? Recall that the area of a circle is πr2
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The formula for the area of a circle is πr^2. Here, the radius r is 12 inches. So, the area A is π*(12)^2 = 144π square inches. Show more…
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