If z(t) (a<=t<=b) is the position function of a moving particle, what is the physical meaning of z'(t), |z'(t)|, |z'(t) dt|, and the integral from a to b of |z'(t) dt|?

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- March 16th 2008, 07:16 PMfrankdent1moving particle
If z(t) (a<=t<=b) is the position function of a moving particle, what is the physical meaning of z'(t), |z'(t)|, |z'(t) dt|, and the integral from a to b of |z'(t) dt|?

- March 16th 2008, 07:25 PMmr fantastic