Please answer all questions and problems on separate papers. Answers on this worksheet will not be grades. Not all of the following problems are challenging; they are designed for showing how to set up the different framework for certain physics problem correctly. I. A ball starts from rest and slides down a track with 3 optional paths. All paths l are frictionless therefore mechanical energy is conserved. On which path will the ball have highest speed at the finish d 吉my, so ψ htthe sore heyht, it will hae finish? Explain your choice. . 싸 V1 G0 a) A b) B c) C d) all result in the same final sped