A block of mass m 1 kg is moving on horizontal surface with

Last updated: 6/10/2023

A block of mass m 1 kg is moving on horizontal surface with speed of 4 m s 1 enters a rough patch ranging from x 0 1 m to x 1 6 m The retarding force in this range is inversely proportional to x F 0 1 x 1 6 m X What is final kinetic energy of the body 1 9 2 J 3 6 84 J NCERT Pg 120 2 7 3 J 4 5 23 J