Physics

Problem

A car starts from rest and moves with uniform acceleration

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

. What will be its speed after it has travelled

40\,\text{m}

along a straight road? a)

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

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

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

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