Question

a car is travelling at 80km/h along a road . a child at 100m ahead . what must the car decelerated if the car stops just before child​

Answer 1

Explanation:

Given,

U = 80km/h = 22.2 m/s

V = 0km/h = 0m/s

Distance from = 100m

a = v-u/t

a = 0/22.2/100

a = -0.2 m/s