Physics

Problem

The best estimate of the kinetic energy of a hydrogen atom of mass

1.67 \times 10^{-24}

g moving at

500 \text{ ms}^{-1}

is a.

4 \times 10^{-25}

J. b.

2 \times 10^{-22}

J. c.

4 \times 10^{-22}

J. d.

2 \times 10^{-19}