A boy runs on a circular track of radius R in km with the

Last updated: 6/10/2023

A boy runs on a circular track of radius R in km with the speed of km h in the clockwise sense for 3 h and then with TR km h in the anticlockwise sense for 1 h The magnitude of his displacement will be 1 TR 2 E 4 R 2 3 37R 2 VER