timestamps

• 0:00

  Q&A Session

• 0:36

  Introduction to Physics Q&A

• 1:06

  Work Energy Problem Prep

• 5:59

  2015 FRQ Problem Overview

• 7:27

  Block and Spring Setup

• 8:29

  Graphing Energy Functions

• 11:48

  Potential Energy Parabola

• 14:25

  Graph Scoring Breakdown

• 16:00

  Student Reasoning Analysis

• 19:13

  Quantitative Expression Derivation

• 24:10

  Initial Energy Calculation

• 28:31

  Quadruple Energy Argument

• 30:37

  Next Topic Selection

• 31:41

  Disc Collision Problem

• 34:52

  Equation Dependence Check

• 38:12

  Mistaken Equation Analysis

• 42:19

  Post-Collision Speed Derivation

• 53:30

  Angular Momentum Conservation

• 57:47

  Rotating Disc Torque

• 1:03:06

  Inertia Equation Derivation

• 1:08:04

  Oil Dripping Experiment

• 1:16:02

  Torque Modeling Equations

• 1:21:53

  Circular Motion Orbit

• 1:25:32

  Orbital Period Derivation

• 1:35:34

  Second Spacecraft Period

• 1:38:28

  New Orbit Speed Analysis

• 1:42:46

  Closing and Exam Tips

• 1:43:49

  AP Exam Video Link