Question

what is the deceleration of a vechicle moving in a striate line that changes its velocity from 100km/h to a dead stop 10seconds​

Answer 1

Explanation:

I have written this solution expecting you know all the basic formulas/concepts

Answer 2

u = 27.8 m/s.

v = 0 m/s.

t = 10sec.

to find --> a

v = u + at

0 = 27.8 + a• 10

a = -2.78 m/s^2