KinematicsF2013-Ave+[Compatibility+Mode]

Nejat i initial f final ti at a const how do we

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Unformatted text preview: xf vavg t vf xi xf vi tf • Lets do it as a practice. Consider the case of constant acceleration PHYS 1L03, Fall 2013, McMaster University, R. Nejat One-Dimensional Motion vf Points to remember: xi vf t 2 vi v avg substitute vi substitute at 2 vi t vi 1 2 vf vi 2 vi at t at2 PHYS 1L03, Fall 2013, McMaster University, R. Nejat 12 One-Dimensional Motion One-Dimensional Motion a • Constant acceleration: const . • Free Fall: a v vf vi at xf xi vi t v2 f vi2 2 a (x f 1 2 at2 v0 at g g 9. 8 m / s 2 x0 v2 xi ) 2 v0 v0 t 1 2 v 2 a (x at2 v vi at x0 ) x xi vi t v2 x vi2 2a ( x xi ) PHYS 1L03, Winter 2013, McMaster University, R. Nejat Fall 2013, McMaster University, R. Nejat 1 2 at2 PHYS PHYS 1L03, Winter 2013, McMaster University, R. Nejat Fall 2013, McMaster University, R. Nejat vi gt x xi vi t v2 vi2 2 g (x i g t2 initial 1 2 xi ) One-Dimensional Motion One-Dimensional Motion Example: Example: • Sitting beside an old lady in the park, you grab her purse and start running. Over the first 10.0 m, you accelerate at 1.20 m/s2 up to your top running speed, and then continue to sprint at this rate for 15.0 s more before being tackled from behind by the old lady. –...
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This document was uploaded on 03/16/2014 for the course PHYSCS 1L03 at McMaster University.

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