In a period of 900 s 940x1023 nitrogen molecules strike a, Ask an Expert

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In a period of 9.00 s, 9.40x1023 nitrogen molecules strike a section of a wall with an area of 2.00 cm2. If the molecules move with a speed of 414.0 m/s and strike the wall head on in elastic collisions, what is the pressure exerted on the wall? (The mass of one N2 molecule is 4.68 x10-26 kg.)

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