Explain the topic of velocity
2 answers:
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Answer:
A ratio of equivalent units
Explanation:
A conversion factor is a ratio of equivalent units and depends on which units are to be converted.
For example we want to convert 275 [mm] to inches, so we have to find the right conversion factor to allow us to work that conversion.
275 [mm] = inches = ?
In this case the ratio is 1/25.4 = 0.039 [in/mm]