If you toss a ball straight upward at 40 m/s with no air resistance, one second after it reaches the top of its path its speed is
A) zero.
B) 10 m/s.
C) 20 m/s.
D) 30 m/s
E) 40 m/s.
Answer: B
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A. 120 B. 184 C. 200 D. 360 E. 480
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