Question: You and a friend both solve a problem involving a skier going down a slope. When comparing solutions, you notice that your choice for the

You and a friend both solve a problem involving a skier going down a slope. When comparing solutions, you notice that your choice for the y = 0 level is different than the y = 0 level chosen by your friend. Will your answers agree or disagree on the following quantities:
(a) The skier's potential energy;
(b) The skier's change in potential energy;
(c) The skier's kinetic energy?

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