Physics

Problem

A train moving with uniform retardation of

-0.8\,\text{m/s}^2

comes to rest in

20\,\text{s}

. Find its initial velocity. a)

-16\,\text{m/s}

16\,\text{m/s}

32\,\text{m/s}

12.8\,\text{m/s}