2) N=v*Na=50*6*10^23=3*10^24 (1)
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4) E=(3/2)*k*T T=273+27=300 K
E=3*1.38*10^-23*300/2=6.21*10^-21 (?)
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6) E1=(3/2)*k*T E2=(3/2)*k*4*T=4*E1 (1)
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8) m=2 кг S=5*10^4 pa=10^5 Па
p1=F/S=m*g/S=2*10/(5*10^-4)=4*10^4 Па
p=pa+p1=10^5+4*10^4=140*10^3 (4)
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