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A Ball Is Released Moving Straight Up at 15

Question 90

Multiple Choice

A ball is released moving straight up at 15. m/s. At some time later it is falling downward at 15. m/s. What was the magnitude of its average velocity over this time period?


A) 30. m/s
B) 22. m/s
C) 0. m/s
D) 7.5 m/s
E) 15. m/s

Correct Answer:

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