Free Fall: From the edge of a roof top you toss a green ball upwards with initial speed v0 and a blue ball downwards with the same initial speed. Air resistance is negligible. When they reach the ground below
A. the green ball will be moving faster than the blue ball.
B. the blue ball will be moving faster than the green ball.
C. the two balls will have the same speed.
Answer: C
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Fill in the blank(s) with the appropriate word(s).
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