A railroad train travels forward along a straight track at 80.0 m/s for 1000 m and then travels at 40.0 m/s for the next 1000 m.What is the average velocity?
A) 60.0 m/s
B) 37.5 m/s
C) 63.7 m/s
D) 53.3 m/s
Correct Answer:
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