A projectile is shot from the top of a cliff, 60 m above the flat valley floor below. The projectile is fired at 45° above horizontal, with initial speed 28.3 m/s. Use g= 10 m/s2 for more convenient values. Treat the horizontal, forward direction as +x and upward as +y as usual. Make a reasonable choice for where to locate the origin in this situation—there is more than one reasonable option, but you have to choose. Sketch x position vs. time, and y position vs. time, until the

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