39 A car starts from rest accelerates on a straight path

Last updated: 6/13/2023

39 A car starts from rest accelerates on a straight path with constant acceleration a for some time after which it decelerates at constant value b and comes to rest Total time elapsed is t then average velocity of the car is 1 2 3 abt a b abt 2 a b 4 2abt a b a t a b AA