Singly ionized neon atoms (mass

PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

3.3\times10^{-26}\,\text{kg}

, charge

+e

) enter a linear accelerator from rest. Each identical gap in the accelerator provides a

1.5\,\text{kV}

potential drop for the ions. Determine the minimum number of gaps required for the ions to exit with a speed of at least

4.0\times10^{5}\,\text{m\,s}^{-1}