In a period of 1 s 4.00 x1023 nitrogen molecules strike a, Ask an Expert

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Q. In a period of 1 s, 4.00 x10^23 nitrogen molecules strike a wall with an area of 6.30 cm2. If the molecules move with a speed of 300 m/s and strike wall head-on in elastic impacts, what is the pressure exerted on the wall? (The mass of one N2 molecule is 4.68 10-26 kg.)

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