Question
7. A hockey puck of mass 0.20 kg is traveling along an increasingly rough surface, which can be described by a spatially dependent coefficient of kinetic friction, Hk = 0.1 + 0.02 x, where x is in meters. Find the work done by the kinetic frictional force on the hockey puck when it has moved in the x direction... [6 p
Question image 1Question image 2Question image 3Question image 4