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# Phys 1l03 fall 2013 mcmaster university r nejat one

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Unformatted text preview: d’s flight? PHYS 1L03, Fall 2013, McMaster University, R. Nejat One-Dimensional (1D) Motion • Position – refers to an object location relative to some origin or reference point. – How far has the object moved from where is was? • Displacement – How fast is the motion? • Velocity – Is the motion getting faster or slower? • Acceleration PHYS 1L03, Fall 2013, McMaster University, R. Nejat 1 2 3 4 x1 0 0 1 2 3 4 x2 • The position of the ball is different in these two coordinate systems with two different origins. PHYS 1L03, Fall 2013, McMaster University, R. Nejat 2 One-Dimensional Motion One-Dimensional (1D) Motion • Vector and Scalar quantity: • Position (a vector) – an object location relative to some origin or reference point, shown as a vector. x 0 1 – Position is a vector quantity. 2 3 4 -2 • Scalar: is a quantity with no direction. -1 0 1 x2 2 PHYS 1L03, Fall 2013, McMaster University, R. Nejat One-Dimensional Motion • Displacement (a vector) Distance: – refers to the change in an object’s position x xi xf xf xf x xf xi xi • Describes the length between two locations measured along the actual path u...
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## This document was uploaded on 03/16/2014 for the course PHYSCS 1L03 at McMaster University.

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