Multiple Choice
A runner, running in a straight line, travels 1.4 km in three minutes. The runner then turns around and runs back to her original position in four minutes. The average speed of the runner is
A) 6.7 m/s.
B) 9.9 m/s.
C) 8.5 m/s.
D) 0 m/s.
Correct Answer:
Verified
Correct Answer:
Verified
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