106 number of molecules strike a surface with an are of 10????2 m2 in one second and bounced elastically. each of these molecules strikes at an angle 60o from the normal. the mass of the molecule is 3:3 10????27 kg. the average speed of these million molecules is 330 m=s. calculate the followings: (a) what average pressure do these molecules exert on this surface during the one second they are striking it? (b) normal atmospheric pressure is about 105 pa. explain why is this so different from your answer (a)?
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b I think is th answer
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