Ball is rolled in a straight line with a speed of 5 ms1

Last updated: 6/10/2023

Ball is rolled in a straight line with a speed of 5 ms1 towards a wall lying 20 m away After collision with wall ball retraces the path with a speed of 4 ms 1 What is the average velocity of ball during the time interval 0 to 6 sec A zero B 2 ms 1 C 4 ms 1 D 5 ms 1