Kinematics 1 vectors displacement relative motion.notebook 1 August 29, 2013 Aug 2810:06 AM AP Physics: Intro to Kinematics • Scalars vs. Vectors • Distance and Displacement • Relative Motion Kinematics ≡ study of motion independent of causes Aug 2210:24 PM Scalar Vector Quantities with Magnitude AND Direction Quantities with Magnitude only.
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Position: (x) Location relative to a reference point. (Coordinate System)
Distance: a scalar, always positive. How far you have moved...
Displacement = change in position (∆x). a vector distance and direction.Displacement can be positive or negative
Aug 2210:40 PM
The new Call of Duty is about to come out and you just can't wait to school your friends. You leave your house at midnight and walk 2 blocks north to the exchange to wait in line for one of the first copies. You then walk 7 blocks south (back past your house) where your friends are waiting with controllers in hand. What is your total displacement? What is the total distance you walked?