Question

A particle moves from its stationary position to 90m/s in 8 seconds.Calculate its acceleration.

Answer 1

u= 0... v= 90

therfre acc. = (v-u)/t
= 90/8....

now divide it

Answer 2

u=0m/s
v=90m/s
t=8s
use equation of motion, v = u + at
put the values and solve for a.
Ans. a = 11.25