Free Fall: Abby throws a ball straight up and times it. She sees that the ball goes by the top of a flagpole after 0.50 s and reaches the level of the top of the pole after a total elapsed time of 4.1 s. What was the speed of the ball at as it passed the top of the flagpole? Neglect air resistance.
A. 6.4 m/s
B. 16 m/s
C. 18 m/s
D. 29 m/s
E. 33 m/s
Answer: C
Physics & Space Science
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