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The physics of a baseball player and kinetic friction. A baseball player of mass 80.0 kg slides into home base. The coefficient of kinetic friction between the player and the ground is 0.610. a. What is the magnitude of the frictional force? (In solving this part of the question draw a free-body diagram with all of the forces labelled. Use a rectangle to represent the baseball player. Also, assume the player is moving to the right while sliding.) b. If the player comes to rest after 1.5 s, what must have been the initial speed of the player? Method of Evaluation The maximum grade for this solution is 5 points. The mark will be determined as follows. . 1 mark for vectors drawn in the correct directions . 1 mark for labelling the vectors correctly . 1 mark for determining the correct force of friction . 1 mark for determining the acceleration . 1 mark for determining the velocity