A truck travelling at 54 km/h is slow down to 36 km/h in 10 sec. Find the retardation Share with your friends Share 0 Siddhant Sharma answered this a truck is a big -3 View Full Answer Anushka answered this We know that, v - u/t = a. So, here 36 - 54/ 10 = - 1.8 i.e. the retardation. -2 Sona Sharma 🖤 answered this Here's is the output of your query 4 Rishit Tandon answered this correct answer 1 Jigisha answered this The acceleration is v-u / t so the retardation is negative of acceleration then, -a =v-u/t = 15-10/10 = -0.5 m per second square 0