Question

The speed of a car increased from 36km/hr to 96km/hr in 0.6km . How long did this take and what was the acceleration

Answer 1

The acceleration of the car

$$a=\frac{v_f-v_i}{t}$$

Hence, the time of motion

$$t=\frac{v_f-v_i}{a}$$

$$t=\frac{96-36}{0.6}=100\:\rm hr$$