M=0.028 кг/моль po=1.25 кг/м3 V=0.01 м3 u=600 м/с T=? p=? m=?
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T=M*u²/(3*R)=0.028*600²/(3*8.31)≈404 K
p=po*R*T/M=1.25*8.31*404/0.028=1.5*10^5 Па
m=p*V*M/(R*T)=1.5*10^5*0.01*0.028/(8.31*404)=0.0125 кг
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