College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

تمرين 108

How could you approximately determine the coefficient of kinetic friction between your shoes and a fairly smooth floor [ Hint : See Exercise.]
Exercise
A block is projected with a speed of 2.5 m/s on a horizontal surface. If the block comes to rest in 1.5 m, what is the coefficient of kinetic friction between the block and the surface