Video Discussions

Name: Understanding Instantaneous and Average Velocity using a Graph Category: Kinematics Date Added: 21 May 2014 - 03:47 PM Submitter: Flipping Physics Short Description: None Provided Students often get confused by the difference between Instantaneous and Average. In this video we use a graph to compare and understand the two different concepts. Content Times: 0:28 Defining Instantaneous and Average Velocity 0:52 Examples of Each 2:23 The Graph 2:42 Walking the Graph (my favorite part) 3:19 Average Velocity from 0 - 5 Seconds 5:30 Average Velocity from 5 - 10 Seconds 6:45 Some Instantaneous Velocities 7:44 Average Velocity from 0 - 17 Seconds 8:37 Dra…

Name: Toy Car UAM Problem with Two Difference Accelerations Category: Kinematics Date Added: 21 May 2014 - 03:45 PM Submitter: Flipping Physics Short Description: None Provided In this lesson we continue to use what we have learned about solving Uniformly Accelerated Motion (UAM) problems. This problem is more complicated because it involves two, interconnected parts. Content Times: 0:26 Reading the problem 0:46 Seeing the problem 1:11 Translating from words to physics 1:58 Splitting the problem into two parts 3:13 Fixing the knowns (common mistakes) 4:35 How do we know we can use the UAM equations? 5:19 Drawing a picture to better understand the problem …

Name: Introductory Uniformly Accelerated Motion Problem - A Braking Bicycle Category: Kinematics Date Added: 21 May 2014 - 03:43 PM Submitter: Flipping Physics Short Description: None Provided This video continues what we learned about UAM in our previous lesson. We work through a introductory problem involving a bicycle on which we have applied the brakes. Content Times: 0:28 Reading the problem 0:48 Seeing the problem 1:15 Translating the problem to physics 2:35 Why is it final speed and not velocity? 3:48 Solving for the acceleration 6:03 Converting initial velocity to meters per second 7:32 Solving for distance traveled. 8:05 A common mistake 10:02 …

Name: Introduction to Uniformly Accelerated Motion with Examples of Objects in UAM Category: Kinematics Date Added: 21 May 2014 - 03:42 PM Submitter: Flipping Physics Short Description: None Provided This is an introductory lesson about Uniformly Accelerated Motion or UAM. I show examples of 5 different objects experiencing UAM, some are even in slow motion. We also learn my simple way of remembering how to use the UAM equations. Content Times: 0:20 Defining what it means to be in UAM 0:40 5 examples of objects experiencing UAM (some in slow motion) 1:50 Disclaimer for the peanut gallery 2:50 The four UAM equations 3:32 The five UAM variables 4:45 How to w…

Name: Walking Position, Velocity and Acceleration as a Function of Time Graphs Category: Kinematics Date Added: 21 May 2014 - 08:56 AM Submitter: Flipping Physics Short Description: None Provided This lesson builds on what we learned about position as a function of time graphs. We start with velocity as a function of time graphs, determine what the motion would look like and then draw position and acceleration as a function of time graphs. We use the concepts of slope and tangent line to help us build the graphs. Content Times: 0:35 What is the slope of a velocity vs. time graph? 2:30 Walking the 1st velocity vs. time example 4:17 Explaining what a constant s…

Name: A Basic Acceleration Example Problem and Understanding Acceleration Direction Category: Kinematics Date Added: 21 May 2014 - 08:53 AM Submitter: Flipping Physics Short Description: None Provided This video starts with a simple acceleration problem and then addresses a commonly held misconception that a negative acceleration always means you are slowing down. I do this by way of examples. Kate (my wife) drove the Prius with a camera suction cupped to the window and videoed me riding my bike several times. In the end I ended up with four different examples on the screen at once and 25 different video layers to describe it all. I am really proud about how well i…

Name: Introduction to Acceleration with Prius Brake Slamming Example Problem Category: Kinematics Date Added: 21 May 2014 - 08:52 AM Submitter: Flipping Physics Short Description: None Provided This is an introduction to the concept of acceleration. There is also an example problem showing applying the brakes while driving a car in order to avoid hitting a basketball. Also included are common mistakes students make while solving a simple problem like this. It is important to see what those mistakes are because it helps students avoid them in the future. Content Times: 0:19 The Equation for Acceleration 1:06 The Dimensions for Acceleration 2:18 Acceleration ha…

Name: Finding Average Speed for Pole Position: Example Problem - Not as easy as you may think Category: Kinematics Date Added: 21 May 2014 - 08:50 AM Submitter: Flipping Physics Short Description: None Provided This video is an example problem that walks through finding the average speed for the last 2 laps of the 4 lap qualifier for the Indianapolis 500 assuming an average speed for the first 2 laps. It is actually more difficult than it initially appears. Content Times: 0:36 Reading the Problem 1:06 Translating to Physics 3:25 A Visual representation of our Known Values 4:07 Beginning to Solve the Problem 5:27 Finding the Time for Part 1 7:15 Finding the…

Name: Understanding and Walking Position as a function of Time Graphs Category: Kinematics Date Added: 21 May 2014 - 08:48 AM Submitter: Flipping Physics Short Description: None Provided In this lesson we derive that the slope of a position versus time graph is velocity. We also walk through several position as a function of time graphs to understand what they mean. Content Times: 0:34 Position as a function of Time 1:04 Defining Slope 3:04 The Slope of a Position as a function of Time Graph is Velocity 3:43 Defining Position Locations on the Graph 4:37 1st Graph 6:25 2nd Graph 7:25 3rd Graph 9:18 4th Graph View Video

Name: Velocity and Speed are Different: Example Problem Category: Kinematics Date Added: 21 May 2014 - 08:47 AM Submitter: Flipping Physics Short Description: None Provided This example problem works shows that Velocity and Speed are different. It also illustrates that Speed is Not Velocity without direction. Content Times: 0:16 Reading the Problem 1:10 Translating the problem to physics 1:53 Part (a) Average Speed 2:57 Part ( Average Velocity 4:34 Speed is Not Velocity without direction Want Lecture Notes? Next Video: Understanding and Walking Position as a function of Time Graphs Previous Video: Average Velocity Example Problem with Three Veloc…

Name: Average Velocity Example Problem with Three Velocities Category: Kinematics Date Added: 21 May 2014 - 08:45 AM Submitter: Flipping Physics Short Description: None Provided This example problem works through finding the average velocity when we have multiple parts to the givens. It involves splitting the given information into separate parts, finding the total displacement, the total time and then the total average velocity. Content Times: 0:23 Reading the Problem 0:56 Translating the problem to physics 1:47 Splitting the givens into three parts 3:58 A plea to slow down when solving problems 5:13 Putting the givens in to a table 5:53 Beginning to solv…

Name: Introduction to Velocity and Speed and the differences between the two. Category: Kinematics Date Added: 21 May 2014 - 08:44 AM Submitter: Flipping Physics Short Description: None Provided This video introduces the definition of Velocity. It also walks through a simple, introductory average velocity example problem. At the end it defines speed and discusses the difference between speed and velocity. Content Times: (click to skip to that time) 0:18 Velocity Definition 2:12 Velocity has both Magnitude and Direction 3:06 Example Problem 8:41 Speed Definition 9:15 Differences between Speed and Velocity 11:00 Outtakes View Video

Name: Introduction to Displacement and the Difference between Displacement and Distance Category: Kinematics Date Added: 21 May 2014 - 08:43 AM Submitter: Flipping Physics Short Description: None Provided An introduction to Displacement including many different descriptions of displacement. This video also describes the differences between displacement and distance. There are also three different examples illustrating those differences. Times of Content: 0:23 First description of displacement 1:13 The symbol for displacement 2:32 The equation for displacement 3:28 Dimensions for displacement 4:16 Defining magnitude 4:50 Displacement does not equal distance…

Name: A Problem to Review SOH CAH TOA and the Pythagorean Theorem for use in Physics Category: Introductory Concepts Date Added: 20 May 2014 - 01:45 PM Submitter: Flipping Physics Short Description: None Provided This video goes through a right triangle problem, finding the length of two sides and an angle. It is a basic review of SOH CAH TOA and the Pythagorean Theorem; very fundamental items in Physics. Times of Content: 0:35 Defining a Right Triangle 1:09 Defining the problem 2:12 Defining SOH CAH TOA 4:02 Defining Opposite and Adjacent 5:04 Step 1) Finding the Hypotenuse 7:12 Step 2) Finding Side y 9:19 Step 3) Finding Theta 2 View Video

Name: Introduction to Accuracy and Precision (includes Relative Error) Category: Introductory Concepts Date Added: 20 May 2014 - 01:44 PM Submitter: Flipping Physics Short Description: None Provided This video includes the definitions of Accuracy and Precision. It also shows several examples using a "Safe Dart" bow and arrow. It ends with the equation for Relative Error. Times of Content: 0:44 Definition of Accuracy 1:39 Definition of Precision 2:17 The Question for all the Examples 3:48 1st Example 4:31 2nd Example 5:14 3rd Example 6:33 4th Example 7:32 Relative Error Equation 9:37 "Safe Dart" Outtakes (it took forever to get the "Safe Dart" to work) …

Name: Introduction to Conversions in Physics Category: Introductory Concepts Date Added: 20 May 2014 - 01:42 PM Submitter: Flipping Physics Short Description: Introduction to Conversions in Physics This video includes the basics of doing conversions, why conversions work, conversions with squares and fractions. Includes several examples. Times of the examples: 0:59 - 11 millimeters to meters 2:54 - 4.2 cm to m 3:35 - 17 g to kg 4:32 - 14 m/s to km/hr 7:40 - 12.2 mm^2 to m^2 9:50 - 120 km/hr^2 to m/s^2 View Video

Name: Introduction to Base Dimensions and Your Friends Category: Introductory Concepts Date Added: 20 May 2014 - 01:41 PM Submitter: Flipping Physics Short Description: Introduction to Base Dimensions and Your Friends Introduction to SI (Système international d'unités or Metric Units) and English (or Imperial) units. Dimensions are your Friend. Content Times: 0:15 Dimensions are your Friends! 2:11 Base Dimensions 2:43 The Table of Base Dimensions View Video

Name: Rounding and Working with Significant Figures in Physics Category: Introductory Concepts Date Added: 20 May 2014 - 01:39 PM Submitter: Flipping Physics Short Description: Rounding and Working with Significant Figures in Physics The Rules of Rounding with several examples and a common mistake. How to use Significant Figures in Physics. Content Times: 0:23 The Basic Rules of Rounding 0:44 Two Examples 1:19 The Arcane Rounding Rule (Beware!) 2:04 More Examples 3:08 The Addition and Subtraction Rules of Rounding 3:39 The Multiplication and Division Rules of Rounding 5:17 Working with Significant Figures in Physics View Video

Name: Introduction to Significant Figures with Examples Category: Introductory Concepts Date Added: 2016-03-15 Submitter: Flipping Physics The rules of Significant Figures (or Digits) with several examples and a common mistake. Also a few Scientific Notation Examples. Content Times: 0:19 Defining Significant Figures 1:13 The Rules of Significant Figures 1:28 First Example 1:54 Second Example 2:39 Third Example 3:10 Many More Examples 4:47 Scientific Notation and Significant Digits Want Lecture Notes? Next Video: Rounding and Working with Significant Figures in Physics Introduction to Significant Figures with Examples

Name: 102. Electromagnetic Induction Category: Electricity & Magnetism Date Added: 07 May 2014 - 02:48 PM Submitter: FizziksGuy Short Description: None Provided History, explanations, and implications of E&M inductions View Video

Name: 101. Magnetism Category: Electricity & Magnetism Date Added: 07 May 2014 - 02:48 PM Submitter: FizziksGuy Short Description: None Provided From bar magnets to electric motors. View Video

Name: 100. Circuit Medley Category: Electricity & Magnetism Date Added: 07 May 2014 - 02:47 PM Submitter: FizziksGuy Short Description: None Provided A summary of electric circuits. View Video

Name: 99. Car Battery Power Category: Electricity & Magnetism Date Added: 07 May 2014 - 02:47 PM Submitter: FizziksGuy Short Description: None Provided A summary of current, voltage, resistance and power View Video

Name: 98. Battery Demo Category: Electricity & Magnetism Date Added: 07 May 2014 - 02:47 PM Submitter: FizziksGuy Short Description: None Provided Circuit features featuring a car battery and bulbs. View Video

Name: 97. Circuit Resistances Category: Electricity & Magnetism Date Added: 07 May 2014 - 02:46 PM Submitter: FizziksGuy Short Description: None Provided Finding equivalent resistances for complex circuits. View Video