The hockey puck

The hockey puck

 

Figure 4.22, struck by a hockey stick, is given an initial speed of 20.0 m/s on a frozen pond. The puck remains on the ice and slides 1.20 x 10² m, slowing down steadily until it comes to rest. Determine the coefficient of kinetic friction between the puck and the ice.

FIGURE 4.22 After the puck is given an initial velocity to the right, the external forces acting on it are the force of gravity  the normal force  and the force of kinetic friction,

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