Question

A car starts from rest and acquires a velocity of 54km/h in 2 sec. find
a) acceleration b) distance traveled by car assume motions of car in uniform.

Answer 1

Answer:

u=0, v= 54*5/18= 15 m/s, t=2s

(a)a= v-u/t = 15-0/2= 7.5 m/s^2

(b) s= ut+ at^2/2 = 0+ 30= 30 m