Question

A truck is travelling at 64km/h is slow down to 36km/h in 10s. Find the retardation ?

Answer 1

Given,

V = 36km/h = 10m/s

U = 64km/h = 17.7m/s

t = 10s

v = u + at

a = (v - u)/t

a = (10 - 17.7)/10

a = -7.7/10

a = -0.77m/s²

Please confirm the answer...