course_planning:pre_lecture:const_v [Projects & Practices in Physics]

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===== Constant Velocity and Relative Motion =====

PW and DC decided to focus on displacement, velocity, and the constant velocity model. PW thinks (DC agrees) that the [[course_planning:course_notes:relative_motion|notes for relative motion]] are good enough.

==== Pre-lecture Video ====
Anchor in the motion of an asteroid far from other objects.

  - Draw setup (two locations, two times)
    - Displacement (sketch and write words and symbols)
    - Convert to predicting (demonstrate with plot)
  - No mention of the rate at which this occurs
    - Define average velocity (discuss why average?)
    - Convert to prediction (demonstrate with plot)
  - Going from average to instantaneous
    - Where's the "conceptual" calculus? You will deal with that in class together
  - First model - constant velocity model
    - Average equals instantaneous

==== Possible Conceptual HW ====

  * From {{:course_planning:course_notes:phy183_lecture_week2_f2013.pdf|PHY183_Lecture_Week2_F2013}} (//caveat: students need to think about slope of position vs time and area under velocity vs time//): 
    * 2-1, 2-2, 2-3a, 2-3b, 2-4, 2-5, 2-6, 2-6b, 2-6c
  * From {{:course_planning:course_notes:phy183_lecture_week3_f2013.pdf|PHY183_Lecture_Week3_F2013}}: 
    * 3-13 (2 of them; mislabeled), 3-17, 3-18