KinematicsF2013-Ave+[Compatibility+Mode]

If the time for it to rise and fall back to its

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Unformatted text preview: University, R. Nejat g 2 i g 9.8 m / s 2 initial PHYS 1L03, Fall 2013, McMaster University, R. Nejat 14 One-Dimensional Motion One-Dimensional Motion Example: Example : • A driver who is driving at 11.4 m/s sees a deer “frozen” in the headlights, immediately applies the breaks and slows with an acceleration of 3.80 m/s2. – If the deer is 20.0 m from the car when the breaks are applied, how close does driver come to hitting the deer? – How much time is needed for the driver to stop? v (t ) x (t ) vi xi at vi t 1 2 at 2 PHYS 1L03, Fall 2013, McMaster University, R. Nejat v (t ) 2 i vi2 2 a ( x xi ) initial Two-Dimensional Motion • Break a two-dimensional problem into two onedimensional problems. Examples: • The child skipping along the sidewalk, a two-dimensional motion – A combination of two simultaneous motions: • Up-and-down motion • Motion along the side walk • Projectile Motion – Vertical accelerated motion – Horizontal uniform motion PHYS 1L03, Fall 2013, McMaster University, R. Nejat PHYS 1L03, Fall 2013, McMaster University, R. Nejat Two-Dimensional Motion Projectile Motion • Two simultaneous Motions – Horizontal Motion • Zero acceleration • Constant velocity – Vertical Mo...
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This document was uploaded on 03/16/2014 for the course PHYSCS 1L03 at McMaster University.

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