Introduction Follow-up HW registration Reading Questions Meaning of uncertainty

Representations How big is my head? Estimation Symbols Significant Figures Units/Standards Units How many hairs are on a medium sized dog? Ch1

Representations How big is my head? Estimation Symbols Significant Figures Units You have to choose and build a representation based on what you are given (the Physical Situation) and what you want to accomplish. The solution or description you seek flows from that representation. Ch1

Ch2 1d Kinematics: Representing Motion Representing Sand-Walkers

Ch2 Visual Representations of Motion Model Building: Consider a car and a tree… Strobe (Motion) Diagrams Motion Diagrams (vector diagrams) Motion Graphs What choices do you have to make? Can you make others? Demo Definitions: Position, Velocity, Acceleration, Average, Instantaneous

Motion Graphs Lab 2: What to do Do the activity Have the discussion Record the data Do the write-up Turn in the next day Shapes of Graphs Activity I-90 Activity Lab2

Ch1 Mathematical Representations Questions? Constant velocity relationships from graphs Constant acceleration relationships from graphs Instantaneous v. average quantities Mathematical structure: Calculus Symbolic notation Meaning of each piece Relationships Numerical TestPython.py (desktop) The toolbox…