Question

A truck travelling at 54 km/h is slow down to 36
km/h in 10 sec. Find the retardation.

Answer 1

Answer:

As the acceleration is - 0.5 m/s squared, the retardation or deceleration is 0.5 m/s squared.

Explanation:

u = 54 kmph*(5/18)= 15 m/s

v = 36 kmph*(5/18)=10 m/s

a =?

a=(v-u)/t

a=(10-15)/10

a= -5/10

a= -0.5m/s^2