A runner travels 450 meters north, 850 m east, 800 m north, 1200 m west, 400 m south and 600 m east in 30 minutes. What is the average speed for the run? What is his average velocity?
Average speed =Total Distance/ Time
Average Speed = (450+850+800+1200+400+600) /(30 *60)
Average Speed =4300 /1800
Average Speed =2.389 m/s
Average velocity = Total displacement /Time
T
Average Velocity = Total Displacemet /Time
Average Velocity = Shortest distance (GA ) /Time
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