The average translational kinetic energy of a helium atom in a sample is measured to be

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Thermodynamics · Thermodynamics

Problem

6.21\times10^{-21}\,\text{J}

. Using

k_B = 1.38\times10^{-23}\,\text{J/K}

, what is the temperature of the gas? (a)

900\,\text{K}

(b)

150\,\text{K}

(c)

300\,\text{K}

(d)

450\,\text{K}