Physics

Problem

t = 2\,\text{s}

a ball is

10\,\text{m}

east of its starting point. At

t = 6\,\text{s}

it is

-2\,\text{m}

(i.e.

2\,\text{m}

west of the start). Calculate the average velocity of the ball during this interval. a)

+3\,\text{m/s}

-2\,\text{m/s}

-3\,\text{m/s}

-6\,\text{m/s}