Free Fall: A stone is thrown with an initial upward velocity of 7.0 m/s and experiences negligible air resistance. If we take upward as the positive direction, what is the velocity of the stone after 0.50 s?
A. 2.1 m/s
B. 4.9 m/s
C. -2.1 m/s
D. -4.9 m/s
E. 0.00 m/s
Answer: A
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