timestamps

• 0:00

  Introduction and Plan

• 0:31

  FRQ Question Overview

• 1:05

  Starting Experimental Design

• 1:37

  Projectile Launcher Setup

• 2:07

  Hypothesis on Spring Constant

• 2:38

  Part A: Physics Principle

• 3:42

  Conservation of Energy Approach

• 4:13

  Equation for Spring Constant

• 5:17

  Vertical Launch Method

• 5:51

  Forces Approach

• 7:25

  Part B: Experimental Procedure

• 8:26

  Measurements and Symbols

• 10:00

  Tools for Measurement

• 11:03

  Procedure Details

• 14:39

  Reducing Experimental Errors

• 15:12

  Part C: Data Analysis

• 16:13

  Confirming Hypothesis

• 18:28

  Part D: Speed vs Mass

• 20:02

  End of FRQ Section

• 20:34

  Open Q&A Session

• 21:04

  Escape Speed Explanation

• 23:40

  Torque Fundamentals

• 24:43

  Torque Equation

• 27:21

  Sample Torque Problem

• 30:00

  Forces on Cylinder

• 32:05

  Torque Calculation

• 35:09

  Acceleration Derivation

• 36:12

  Cylinder Motion Direction

• 38:17

  Another Torque Example

• 40:25

  Forces on Block and Cylinder

• 42:01

  Acceleration of Block

• 44:11

  Tension in Cord

• 46:08

  Friction on Inclines

• 47:42

  Forces on Block M1

• 50:16

  Coefficient of Kinetic Friction

• 53:31

  Constant Velocity Condition

• 57:15

  Solving for Hanging Mass

• 59:27

  Acceleration After Cutting String

• 1:01:05

  Closing Remarks