A proton (mass

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

Problem

A proton (mass

1.67\times10^{-27}\,\text{kg}

, charge

+e

) enters a uniform magnetic field of

0.50\,\text{T}

with speed

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

directed at

45^{\circ}

to the field. Determine the distance it advances along the field direction while completing

5

full turns.