Physics

Problem

An electron starts from rest and is accelerated through a potential difference of

500\,\text{V}

. Neglecting relativistic effects, the speed attained by the electron is closest to a)

9.4\times10^{6}\,\text{m\,s}^{-1}

4.2\times10^{7}\,\text{m\,s}^{-1}

1.3\times10^{7}\,\text{m\,s}^{-1}

3.0\times10^{7}\,\text{m\,s}^{-1}