AP Physics Week 9, 2011-2012: Unit 4-Work, Energy and Power Day 10/17 Objectives/skills Return tests Work, W-KE theorem (Text: 6.1, 6.2, 7.1) Class Activities Test corrections Unit 4 Introduction Khan Academy Tutorials Work Assigned K.A. video notes Webassign U4.1 Work Collected Test corrections 10/18 Work, WKE theorem, GPE (Text: 6.1, 6.2, 7.1) Problem-solving: Webassign U4.1 Read 6.1, 6.2, 7.1 Webassign U4.1 Video notes 10/19 Collab Work, WKE theorem, GPE (Text: 6.1, 6.2, 7.1) Problem-solving: Webassign U4.1 10/20 W by varying forces -Linear path (hookes law) -Curved path (line integrals) (Text 6.3) Lecture Spring & rubber band pull activity: 10/21 Qrtr Quiz Power (Text 6.4) Homework quiz & discussion Discuss activity Power Webassign U4.2 (variable force, power) Webassign U4.1 5 days (5) -Dot product -Introduction to work and energy -Work and energy part 2 -Conservation of energy Handouts/Online Unit 4 Objectives AP Physics Week 10, 2011-2012: Unit 4-Work, Energy and Power Day Objectives/skills Class Activities Work Assigned 10/24 Conservative Forces GPE, EPE and conservation of energy (Text 7.2, 7.3) Lecture-CF and LCOE Spring problems and demo Webassign U4.3 10/25 Friction and NC forces Conservation of Energy problem-solving Webassign U4.3 10/26 Collab Force, PE and energy diagrams (Text 7.4, 7.5) Quick intro to friction Khan Video: W-E Problem with Friction Problem-solving U4.3 F=-dU/dx Vertical spring example 10/27 Lab Interrupted pendulum lab (derivation) Webassign U4.3 10/28 Lab Interrupted pendulum lab (data collection) Webassign U4.3 Lab report (individual write-ups) (both due Monday) 5 days (10) Webassign U4.3 Due at start of class Webassign U4.2 Handouts/Online AP Physics Week 11, 2011-2012: Unit 4-Work, Energy and Power Day Objectives/skills Class Activities Work Assigned 10/31 Complete lab Oscillations and SHM (Chapter 13) Discuss lab Complete lab Start Khan videos 11/1 Oscillations and SHM (Chapter 13) 11/2 Collab The simple pendulum (Chapter 13) SHM demo: marker & wheel SHM Demo: mass on spring Diff Eq for SHM, trig solutions Activity: determine k by period for 3 objects Quiz: work, potential Simple pendulum Pendulum lab Khan Academy Video Harmonic MotionParts 1-3 Read chap 13 Webassign U4.4 Test Friday Webassign U4.4 Test Friday 11/3 Damping and Resonance (Chapter 13) Damping and Resonance Problem-solving Review 11/4 Unit 4 Test (Chapters 6,7 13) Unit 4 Test Due at start of class Webassign U4.3 Pendulum Lab Khan Video notes Webassign U4.4 Test Friday Webassign U4.4 Test Friday Webassing due at 10 pm tonight Handouts/Online