barrerassab barrerassab

11-01-2019
Physics

contestada

Starting from rest, a runner accelerates to 10 m/s in 5 s. What is the acceleration of the runner?
10 m/s2
5 m/s2
2 m/s2
.5 m/s2

Respuesta :

dodo491 dodo491

11-01-2019

a=vf-vi / time

* vi here is zero as the runner started from rest*
so
a= 10-0/5 which equals 2 m/s^2

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