An athlete runs 400 m in 20 s. Calculate the average speed of the athl

1.	An athlete runs 400 m in 20 s. Calculate the average speed of the athlete.
A.	2 ms-1
B.	40 ms-1
C.	20 ms-1
D.	4 ms -1
Answer» D. 4 ms -1

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An athlete runs 400 m in 20 s. Calculate the average speed of the athlete.

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