Question

A car is stationary at first.it moves off with an acceleration of 2 m.s-2

Answer 1

Xi = 0
Vi = 0
a = 2 m/s^2
v = Vi + a t = 0 + 2 t
x = Xi +Vi t + (1/2) a t^2 = 0 + 0 + (1/2)* 2 * t^2 = t^2