<Ek> = 3*k*T/2
p = n*k*T => k*T = p/n
<Ek> = 3*p / (2*n)
<Ek> = 3 * 40*10³ Па / (2 * 6*10²³ м⁻³) = 1,0 * 10⁻⁹ Дж
<Ek> = 3*k*T/2
p = n*k*T => k*T = p/n
<Ek> = 3*p / (2*n)
<Ek> = 3 * 40*10³ Па / (2 * 6*10²³ м⁻³) = 1,0 * 10⁻⁹ Дж