Essay
Suppose you are on another planet and you want to measure its acceleration of gravity so you drop an object from rest. It hits the ground, traveling a distance of 0.8 m in 0.5 second and then bounces back up and stops exactly where it started from.
-Taking downward to be positive, how does the ball's average speed compare to the magnitude of its average velocity on the way down?
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On the way down the average sp...View Answer
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