Question

a car travelling at 18 km/h speed upto 54 km/h in 5 seconds what is its acceleration

Answer 1

18 km/ h means 18×5/18 = 5m/s
54km/h means 54×5/18 = 15m/s

a = (v-u)/t
= 15-5/5
= 10/5
= 2m/s^2


hope uttar helps you