3 A particle moves along x axis with speed 6 m s for the

Last updated: 6/10/2023

3 A particle moves along x axis with speed 6 m s for the first half distance of a journey and the second half distance with a speed 3 m s The average speed in the total journey is 1 5 m s 2 4 5 m s 3 4 m s 4 2 m s