Physics

Problem

A cart is at

x=-2\,\text{m}

when

t=0\,\text{s}

and at

x=8\,\text{m}

when

t=5\,\text{s}

. Its average velocity for this interval is a)

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

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

-2\,\text{m s}^{-1}

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