The K E of a person is just half of K E of a boy whose mass

Last updated: 6/10/2023

The K E of a person is just half of K E of a boy whose mass is just half of that person If person increases its speed by 1 m s then its K E equals to that of boy then initial speed of person was A 2 1 m s B 2 2 m s C 2 2 2 m s D None