p02_025

Fundamentals of Physics,Vol 1 (Chapters 1 - 20)

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25. We use v = v 0 + at ,w ith t = 0 as the instant when the velocity equals +9 . 6m/s . (a) Since we wish to calculate the velocity for a time before t =0 ,weset t = 2 . 5s . Thus
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Unformatted text preview: 6 m / s) + ³ 3 . 2 m / s 2 ´ ( − 2 . 5 s) = 1 . 6 m / s . (b) Now, t = +2 . 5 s and we Fnd v = (9 . 6 m / s) + ³ 3 . 2 m / s 2 ´ (2 . 5 s) = 18 m / s ....
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This document was uploaded on 04/18/2008.

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