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A hockey puck struck by a hockey stick is given an initial speed vi in the...

A hockey puck struck by a hockey stick is given an initial speed vi in the positive x direction. The coefficient of kinetic friction between the ice and the puck is μk.

(a) Obtain an expression for the acceleration of the puck as it slides across the ice. (Use the following as necessary: μk and g.)
ax =  

  

(b) Use the result of part (a) to obtain an expression for the distance d the puck slides. The answer should be in terms of the variables vi, μk, and g only.
d =  

  

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