KinematicsF2013-Ave+[Compatibility+Mode]

Position axis xi 0 x xf x 0 indicates the motion is in

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Unformatted text preview: tive x direction. – Position axis xi 0 – x xf x 0 indicates the motion is in the negative x direction. • A line that passes through the origin, is parallel to the positive direction of motion • In 1 D, this is called x-axis • The origin is at x = 0 – Time axis 0 PHYS 1L03, Fall 2013, McMaster University, R. Nejat xf xi x • has an origin (t = 0), a scale (s, or year), a direction indicating increasing value of time PHYS 1L03, Fall 2013, McMaster University, R. Nejat 4 Motion • Coordinate System: One-Dimensional Motion X (cm) • Position-versus-time graph: T (s) • The graph shows the x-position of an object as a function of time. • If the object moves to the right, the x position increases. • If the object moves to the left, the x-position decreases. PHYS 1L03, Fall 2013, McMaster University, R. Nejat PHYS 1L03, Fall 2013, McMaster University, R. Nejat One-Dimensional Motion – The position of a train at various time is given at the table, draw the position vs. time graph for it. Position vs time graph X(km) T(min) X(km) T(min) +3 0 +3 0 +3 10 +3 10 +10 23 +10 23 +10 28 0 40 -26 56 +10 28 0 40 -26 56 10 0 Position x (km) Example: • Position-versus-time graph One-Dimensional Motion -10 -20 -30 0 10 20 30 40 50 60 Time t (min) PHYS 1L03, Fall 2013, McMaster University,...
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This document was uploaded on 03/16/2014 for the course PHYSCS 1L03 at McMaster University.

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