1. Introduction Follow-up HW registration Reading Questions Meaning of uncertainty

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

3. 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

4. Ch2 1d Kinematics: Representing Motion Representing Sand-Walkers

5. 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

6. 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

7. 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…