A 2 2 kg block starts from rest on a rough inclined plane

Last updated: 6/4/2023

A 2 2 kg block starts from rest on a rough inclined plane that makes an angle of 25 with the horizontal The coefficient of kinetic friction is 0 25 As the block goes 2 0 m down the plane the mechanical energy of the Earth block system changes by 1 Zero 3 9 8 J 5 18 J 2 9 8 J 4 18 J