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 Question by Nykole Submitted on 9/16/2003 Related FAQ: sci.physics Frequently Asked Questions (Part 1 of 4) Rating: Not yet rated Rate this question: N/A Worst Weak OK Good Great What is the whole point of why density is a part of velocity?

 Answer by Jack Martinelli Submitted on 9/28/2003 Rating: Not yet rated Rate this answer: N/A Worst Weak OK Good Great To express a measurement as an algebraic statement you would write: L = T/R Where L is the result of the measurement process, T is the target you are measuring and R is the reference you are measuring with. The reason density is particularly important is that when this quotient represents a measured length, the quotient is indistinguishable from a linear density.  To remove this ambiguity you simply multiply the presumed density by the target length. The derivative of density*length with respect to time is our "normalized" velocity.

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