Question

A van accelerates from 25 km/hr to 45 km/hr in 40 seconds. Calculate the average acceleration of the van in m/s^2?.

Answer 1

a = 0.139 m/s²

Explanation:

a = (v_2 - v_1)/t

a = (45 km/h - 25 km/h)/(40 s)

a = (20 km/h) / (40 s) × (1000 m)/(1 km) × (1 h)/(3600 s)

a = 0.139 m/s²