Physics

Problem

The velocity of a scooter increases uniformly from

0

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

4\,\text{s}

. What is the acceleration during this period? a)

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

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

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

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