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Name: Demonstrating the Directions of Tangential Velocity and Acceleration Category: Rotational Motion Date Added: 20170821 Submitter: Flipping Physics The best way to understand how tangential velocity and tangential acceleration are related is to visualize from above. Will you look at that! This video does exactly that. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:10 Visualizing up the three parts of the demonstration 0:51 Visualizing the tangential velocities 1:41 Visualizing the tangential accelerations 3:11 Visualizing tangential velocities and accelerations simultaneously 4:52 Angular vs. Tangential quantities Next Video: Centripetal Acceleration Introduction Multilingual? Please help translate Flipping Physics videos! Previous Video: Tangential Acceleration Introduction with Example Problem  Mints on a Turntable Please support me on Patreon! Thank you to Christopher Becke and Natasha Trousdale for being my Quality Control Team for this video. Demonstrating the Directions of Tangential Velocity and Acceleration

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Name: NerdAPult  Measuring Initial Velocity Category: Kinematics Date Added: 27 May 2014  09:29 PM Submitter: Flipping Physics Short Description: None Provided We need to know the initial velocity of a projectile leaving the NerdAPult. That means we need the initial speed and the initial angle. This video shows exactly how I measured both. Content Times: 0:30 Taking measurements to determine the launch angle 1:20 Finding a triangle 2:02 Defining the angles 3:35 Determining the launch angle 4:38 Using the frame rate to find the change in time 5:08 Measuring the distance travelled during the first frame 6:12 Why initial speed and not initial velocity? 6:39 Determining the average launch speed View Video

Name: (Part 2 of 2) An Introductory Projectile Motion Problem with an Initial Horizontal Velocity Category: Kinematics Date Added: 22 May 2014  04:57 PM Submitter: Flipping Physics Short Description: None Provided Now that we have dropped the ball into the bucket, we can determine the final velocity of the ball right before it strikes the bucket. Don't forget that velocity is a vector and has both magnitude and direction. Yep, component vector review! Content Times: 0:34 Finding the final velocity in the y direction. 1:52 We need to find the hypotenuse! 2:28 Finding the final velocity in the x direction. 2:57 Finding the magnitude of the final velocity. 4:06 Finding the direction of the final velocity. 5:08 The number answer. 5:52 Visualizing the answer. 6:28 Why is the ball always right below mr.p's hand? 7:07 Doesn't the ball travel farther than mr.p's hand? 7:33 The Review. View Video

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Name: Introduction to Projectile Motion Category: Kinematics Date Added: 22 May 2014  04:44 PM Submitter: Flipping Physics Short Description: None Provided My strategy for solving any projectile motion problem. You need to split the variables in to the x and y directions and solve for time. Sounds simple and it really is, usually. Content Times: 0:11 Review of Linear Motion Examples 0:57 Introducing Projectile Motion! 1:48 Basic strategy for solving any projectile motion problem 2:06 The ydirection (UAM) 3:22 The xdirection (constant velocity) 4:36 How many knowns do you need in each direction? 5:41 What do we usually solve for? 6:12 The Review View Video

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Name: Introductory Vector Addition Problem using Component Vectors Category: Kinematics Date Added: 22 May 2014  04:40 PM Submitter: Flipping Physics Short Description: None Provided A simple, introductory vector addition problem that combines the concepts of vectors, cardinal directions, tiptotail vector addition and component vectors. Content Times: 0:14 Reading and understanding the problem. 1:25 Drawing the Vector Diagram. 2:28 A common mistake about where to place the arrowhead on the Resultant Vector. 3:39 This is NOT a Vector Diagram! 4:34 How NOT to solve the problem. 5:12 Breaking vector B in to its component in the y direction. 6:02 Breaking vector B in to its component in the x direction. 6:52 Redrawing the Vector Diagram using the components of vector B. 7:30 Finding the direction of our Resultant Vector. 8:35 Finding the magnitude of our Resultant Vector. 9:47 Summarizing the entire problem in 27 seconds. 10:19 The review. View Video

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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 it worked. Enjoy. Content Times: 0:26 Reading the problem 0:40 Seeing the problem 1:14 Translating the words to Physics 1:54 Solving the problem 3:50 Why is the number on the bike positive? 4:48 How can the bike be speeding up if the acceleration is negative? 5:50 Comparing velocity and acceleration directions 7:28 All four bike examples on the screen at the same time 7:53 Why isn't there a direction on our answer? 8:51 Outtakes or how the bike riding was filmed View Video
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