A skier is initially at point A at 50 m (tA=0.0 minutes); he moves to the right in 1 minute to point B at 400.m (tB=1.0 minutes), then turns and moves 150. m to the left at point C after another minute (tC=2.0 minutes) and finally after another minute has moved right by 100. m at point D (tD=3.0 minutes). 1. What is the skier’s distance from A to D? 2. What is the skier’s displacement from A to D? 3. What is the skier average velocity from A to D? 4. What is the skier average speed from A to D

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