I am trying to work problem 25 from chapter 9 of the physicstextbook titled Phys

Question

I am trying to work problem 25 from chapter 9 of the physicstextbook titled Physics third edition by James S. Walker.I was reading through the cramster solution to this problem and Idon't understand the transition from step 4 to step 5. Here are thedetails: I understand this step:             mvx+ mv(cosx + siny) = 2mvf but I don't understand how I get to this step:             vf= 1/2v [(1+cos)x + siny]              I am trying to work problem 25 from chapter 9 of the physicstextbook titled Physics third edition by James S. Walker.I was reading through the cramster solution to this problem and Idon't understand the transition from step 4 to step 5. Here are thedetails: I understand this step:             mvx+ mv(cosx + siny) = 2mvf but I don't understand how I get to this step:             vf= 1/2v [(1+cos)x + siny]             

Explanation / Answer

      mvx + mv(cosx +siny) = 2mvf       mvx(1+ cos) +mv siny =2mvf       mv [(1 + cos) x +sin y] = 2mvf             vf=( 1/2)v [(1+cos)x + siny]

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