Physics

Problem

A car of mass

1000\,\text{kg}

is moving on a straight road at

20\,\text{m}\,\text{s}^{-1}

. The brakes produce a uniform retardation of

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

. What is the minimum distance required to bring the car to rest? a)

80\,\text{m}

40\,\text{m}

60\,\text{m}

100\,\text{m}