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20 September, 16:22

Which of the following is a unit of speed?

A) h

B) nm

C) cm/y

D) km/s^2

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Answers (2)
  1. 20 September, 16:36
    0
    Option c that it means cm/year.

    Explanation:

    Nm means nanometer, 1x10^9m

    Km/s^2 is acceleration

    h ... it may be height
  2. 20 September, 16:45
    0
    D, km/s^2

    Explanation:

    This is a unit of speed because it is saying kilometers over seconds squared, and that is a unit of speed similar to miles per hour or mph or m/h.
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