Question

a car travelling at 40 km/hr hour speeds up to 50 km/hr in 4 seconds .Calculate the acceleration of the car.​

Answer 1

Answer:

acc = change in velocity/ time

40= 40 *5/18 = 11.1 m/s

50 = 50*5/18 = 13.8 m/s

a = v-u/t

= 13.8-11.1/4

= 0.69 m/ s^2