# Physics

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The atmospheric pressure above a swimming pool changes from 755 to 765mm of mercury.The bottom of the speed is a 12m x 24m rectangle.By how much does the force on the bottom of the pool increase?

• Physics -

What does "the bottom of the speed" mean?

Muliply the pool bottom area by the pressure change, which is
(10/760)*Po = 1333 N/m^2
The pool area is 12*24 = 288 m^2

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