A motor-bike must come to rest within after the brakes are applied

PHYSICS · Subjective · CBSE · Physics · Motion · Motion

Problem

A motor-bike must come to rest within

25\,\text{m}

after the brakes are applied. If the brakes can provide a constant retardation of

5\,\text{m s}^{-2}

, determine the greatest speed (in

\text{m s}^{-1}

) at which the bike can be travelling when the brakes are first applied.