Physics

Problem

A car moving at

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

is brought to rest by a constant retardation of

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

. The distance travelled before the car stops is a)

200\,\text{m}

50\,\text{m}

100\,\text{m}

300\,\text{m}