A hockey puck (mass = 4 kg) leaves the players stick (moving to the left) with a speed of 20 m/s and slides on the ice before coming to rest. The coefficient of friction between the puck and the ice is 0.8. a) What is the normal force on the puck?   N b) What is the friction force exerted on the puck due to the ice?  N   c) What is the magnitude of the acceleration of the puck due to this friction force?  m/s2

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