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24 April, 17:53

What is the most appropriate SI unit to express the speed of a cyclist in a 10-km race?

A. km/s

B. km/h

C. cm/h

D. mm/s

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Answers (2)
  1. 24 April, 18:03
    0
    Your answer should be A. km/s does s mean speed?
  2. 24 April, 18:11
    0
    Im pretty sure it's C.
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