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Name: Proving and Explaining Impulse Approximation Category: Momentum and Collisions Date Added: 20160922 Submitter: Flipping Physics Know when and how to use the “Impulse Approximation”. Want lecture notes? This is an AP Physics 1 Topic. Content Times: 0:12 Reviewing the examples 0:43 Defining Impulse Approximation 1:41 Determining the forces during the collision 2:27 Solving for the Force Normal (or Force of Impact) 3:12 Determining our error Next Video: How to Wear A Helmet  A PSA from Flipping Physics Multilingual? Please help translate Flipping Physics videos! Previous Video: Impulse Introduction or If You Don't Bend Your Knees When Stepping off a Wall Please support me on Patreon! Proving and Explaining Impulse Approximation

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Know when and how to use the “Impulse Approximation”. Want lecture notes? This is an AP Physics 1 Topic. Content Times: 0:12 Reviewing the examples 0:43 Defining Impulse Approximation 1:41 Determining the forces during the collision 2:27 Solving for the Force Normal (or Force of Impact) 3:12 Determining our error Next Video: How to Wear A Helmet  A PSA from Flipping Physics Multilingual? Please help translate Flipping Physics videos! Previous Video: Impulse Introduction or If You Don't Bend Your Knees When Stepping off a Wall Please support me on Patreon!

A 73 kg mr.p steps off a 73.2 cm high wall. If mr.p bends his knees such that he stops his downward motion and the time during the collision is 0.28 seconds, what is the force of impact caused by the ground on mr.p? Want lecture notes? This is an AP Physics 1 Topic. Content Times: 0:21 Translating the problem 1:32 Splitting the problem into parts 3:07 Substituting in known variables 4:30 Finding the final velocity for part 1 6:21 Substituting back into Force of Impact equation 7:23 Converting to pounds Next Video: Impulse Introduction or If You Don't Bend Your Knees When Stepping off a Wall Multilingual? Please help translate Flipping Physics videos! Previous Video: Instantaneous Power Delivered by a Car Engine  Example Problem Please support me on Patreon! A big thank you to Jean Gifford for donating the money for Bo and Billy’s bathrobes!

Name: Impulse Introduction or If You Don't Bend Your Knees When Stepping off a Wall Category: Momentum and Collisions Date Added: 20160922 Submitter: Flipping Physics Now mr.p doesn’t bend his knees when stepping off a wall. What is the new force of impact? Want lecture notes? This is an AP Physics 1 Topic. Content Times: 0:18 How much does mr.p bend his knees? 1:00 Reviewing the previous problem 1:57 What changes if I don’t bend my knees? 2:41 Impulse introduction 3:36 The impulse during this collision 4:51 Why is it bad to not bend your knees? 5:22 Estimating time of collision if I don’t bend my knees 6:09 Solving for the force of impact 6:51 Review 7:28 No tomatoes were wasted in the making of this video Next Video: Proving and Explaining Impulse Approximation Multilingual? Please help translate Flipping Physics videos! Previous Video: Calculating the Force of Impact when Stepping off a Wall Please support me on Patreon! Impulse Introduction or If You Don't Bend Your Knees When Stepping off a Wall

Name: Calculating the Force of Impact when Stepping off a Wall Category: Momentum and Collisions Date Added: 20160908 Submitter: Flipping Physics A 73 kg mr.p steps off a 73.2 cm high wall. If mr.p bends his knees such that he stops his downward motion and the time during the collision is 0.28 seconds, what is the force of impact caused by the ground on mr.p? Want lecture notes? This is an AP Physics 1 Topic. Content Times: 0:21 Translating the problem 1:32 Splitting the problem into parts 3:07 Substituting in known variables 4:30 Finding the final velocity for part 1 6:21 Substituting back into Force of Impact equation 7:23 Converting to pounds Next Video: Impulse Introduction or If You Don't Bend Your Knees When Stepping off a Wall Multilingual? Please help translate Flipping Physics videos! Previous Video: Instantaneous Power Delivered by a Car Engine  Example Problem Please support me on Patreon! A big thank you to Jean Gifford for donating the money for Bo and Billy’s bathrobes! Calculating the Force of Impact when Stepping off a Wall

Name: Force of Impact Equation Derivation Category: Momentum and Collisions Date Added: 20170112 Submitter: Flipping Physics Rearranging Newton’s Second Law to derive the force of impact equation. Want lecture notes? This is an AP Physics 1 Topic. Content Times: 0:09 Newton’s Second Law 1:57 The Force of Impact equation 2:33 The paradigm shift Next Video: Calculating the Force of Impact when Stepping off a Wall Multilingual? Please help translate Flipping Physics videos! Previous Video: You Can't Run From Momentum! (a momentum introduction) Please support me on Patreon! Force of Impact Equation Derivation

Name: Calculating Average Drag Force on an Accelerating Car using an Integral Category: Dynamics Date Added: 20160811 Submitter: Flipping Physics A vehicle uniformly accelerates from rest to 3.0 x 10^1 km/hr in 9.25 seconds and 42 meters. Determine the average drag force acting on the vehicle. Want lecture notes? This is an AP Physics C Topic. Content Times: 0:14 The Drag Force equation 0:39 The density of air 1:33 The drag coefficient 1:59 The cross sectional area 3:11 Determining instantaneous speed 4:08 Instantaneous Drag Force 4:36 Graphing Drag Force as a function of Time 5:17 The definite integral of drag force with respect to time 5:42 Average Drag Force times Total Change in Time Next Video: Instantaneous Power Delivered by a Car Engine  Example Problem Multilingual? Please help translate Flipping Physics videos! Previous Video: Average Power Delivered by a Car Engine  Example Problem Please support me on Patreon! Calculating Average Drag Force on an Accelerating Car using an Integral

A vehicle uniformly accelerates from rest to 3.0 x 10^1 km/hr in 9.25 seconds and 42 meters. Determine the average drag force acting on the vehicle. Want lecture notes? This is an AP Physics C Topic. Content Times: 0:14 The Drag Force equation 0:39 The density of air 1:33 The drag coefficient 1:59 The cross sectional area 3:11 Determining instantaneous speed 4:08 Instantaneous Drag Force 4:36 Graphing Drag Force as a function of Time 5:17 The definite integral of drag force with respect to time 5:42 Average Drag Force times Total Change in Time Next Video: Instantaneous Power Delivered by a Car Engine  Example Problem Multilingual? Please help translate Flipping Physics videos! Previous Video: Average Power Delivered by a Car Engine  Example Problem Please support me on Patreon!

A 1400 kg Prius uniformly accelerates from rest to 30 km/hr in 9.25 seconds and 42 meters. If an average force of drag of 8.0 N acts on the car, what is the average power developed by the engine in horsepower? Want Lecture Notes? This is an AP Physics 1 Topic. Content Times: 0:15 Translating the example to physics 2:13 The equation for power 3:37 Drawing the Free Body Diagram and summing the forces 4:47 Solving for acceleration and Force Applied 5:43 Determining theta 6:01 Solving for Average Power 6:53 Understanding our answer 7:34 The Horse Pedal 9:13 Comparing to a larger acceleration example Next Video: Instantaneous Power Delivered by a Car Engine  Example Problem Multilingual? Please help translate Flipping Physics videos! Previous Video: Graphing Instantaneous Power Please support me on Patreon!

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Name: Instantaneous Power Delivered by a Car Engine  Example Problem Category: Work, Energy, Power Date Added: 20170112 Submitter: Flipping Physics A Toyota Prius is traveling at a constant velocity of 113 km/hr. If an average force of drag of 3.0 x 10^2 N acts on the car, what is the power developed by the engine in horsepower? Want Lecture Notes? This is an AP Physics 1 Topic. Content Times: 0:15 The problem 1:18 Which equation to use and why 2:20 Billy solves the problem 3:59 What if the car is moving at 129 km/hr? Next Video: You Can't Run From Momentum! (a momentum introduction) Multilingual? Please help translate Flipping Physics videos! Previous Video: Average Power Delivered by a Car Engine  Example Problem Please support me on Patreon! Instantaneous Power Delivered by a Car Engine  Example Problem

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Name: Do Antilock Brakes use Static or Kinetic Friction? by Billy Category: Dynamics Date Added: 20160630 Submitter: Flipping Physics Billy analyzes ABS brakes to show the difference between Rolling without Slipping and Rolling with Slipping. He also answers the question in the title of the video, but why would I write that in the description? Want Lecture Notes? This is an AP Physics 1 Topic. Content Times: 0:17 ABS Brakes 0:40 Demonstrating Rolling without Slipping and Rolling with Slipping 1:36 How ABS Brakes work 2:18 Analyzing a car tire 3:34 The calculations Next Video: Everybody Brought Mass to the Party! Multilingual? Please help translate Flipping Physics videos! Previous Video: Does the Book Move? An Introductory Friction Problem Please support me on Patreon! Do Antilock Brakes use Static or Kinetic Friction? by Billy

Billy analyzes ABS brakes to show the difference between Rolling without Slipping and Rolling with Slipping. He also answers the question in the title of the video, but why would I write that in the description? Want Lecture Notes? This is an AP Physics 1 Topic. Content Times: 0:17 ABS Brakes 0:40 Demonstrating Rolling without Slipping and Rolling with Slipping 1:36 How ABS Brakes work 2:18 Analyzing a car tire 3:34 The calculations Next Video: Everybody Brought Mass to the Party! Multilingual? Please help translate Flipping Physics videos! Previous Video: Does the Book Move? An Introductory Friction Problem Please support me on Patreon!

Name: Average Power Delivered by a Car Engine  Example Problem Category: Work, Energy, Power Date Added: 20160728 Submitter: Flipping Physics A 1400 kg Prius uniformly accelerates from rest to 30 km/hr in 9.25 seconds and 42 meters. If an average force of drag of 8.0 N acts on the car, what is the average power developed by the engine in horsepower? Want Lecture Notes? This is an AP Physics 1 Topic. Content Times: 0:15 Translating the example to physics 2:13 The equation for power 3:37 Drawing the Free Body Diagram and summing the forces 4:47 Solving for acceleration and Force Applied 5:43 Determining theta 6:01 Solving for Average Power 6:53 Understanding our answer 7:34 The Horse Pedal 9:13 Comparing to a larger acceleration example Next Video: Instantaneous Power Delivered by a Car Engine  Example Problem Multilingual? Please help translate Flipping Physics videos! Previous Video: Graphing Instantaneous Power Please support me on Patreon! Average Power Delivered by a Car Engine  Example Problem

You place a book on a 14° incline and then let go of the book. If the book takes 2.05 seconds to travel 0.78 meters, what is the coefficient of kinetic friction between the book and the incline? Want Lecture Notes? This is an AP Physics 1 Topic. Content Times: 0:01 The example 0:13 Listing the known values 1:09 Drawing the free body diagram 1:58 Net force in the perpendicular direction 2:34 Net force in the parallel direction 4:03 Solving for acceleration 5:07 Solving for Mu 5:40 We made a mistake Multilingual? Please help translate Flipping Physics videos! Previous Video: Introductory Static Friction on an Incline Problem Please support me on Patreon!

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Name: Introductory Kinetic Friction on an Incline Problem Category: Dynamics Date Added: 20160616 Submitter: Flipping Physics You place a book on a 14° incline and then let go of the book. If the book takes 2.05 seconds to travel 0.78 meters, what is the coefficient of kinetic friction between the book and the incline? Want Lecture Notes? This is an AP Physics 1 Topic. Content Times: 0:01 The example 0:13 Listing the known values 1:09 Drawing the free body diagram 1:58 Net force in the perpendicular direction 2:34 Net force in the parallel direction 4:03 Solving for acceleration 5:07 Solving for Mu 5:40 We made a mistake Multilingual? Please help translate Flipping Physics videos! Previous Video: Introductory Static Friction on an Incline Problem Please support me on Patreon! Introductory Kinetic Friction on an Incline Problem

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A book is resting on a board. One end of the board is slowly raised. The book starts to slide when the incline angle is 15°. What is the coefficient of static friction between the book and the incline? Want Lecture Notes? This is an AP Physics 1 Topic. Content Times: 0:01 The example 0:44 Drawing the free body diagram 1:41 Net force in the parallel direction 2:11 Demonstrating why the acceleration in the parallel direction is zero 3:58 Force normal does not equal force of gravity 4:32 Net force in the perpendicular direction 5:07 Return to the parallel direction 6:06 Substituting in numbers Next Video: Calculating the Uncertainty of the Coefficient of Friction Multilingual? Please help translate Flipping Physics videos! Previous Video: Physics "Magic Trick" on an Incline Please support me on Patreon!

Name: Introductory Static Friction on an Incline Problem Category: Dynamics Date Added: 20160613 Submitter: Flipping Physics A book is resting on a board. One end of the board is slowly raised. The book starts to slide when the incline angle is 15°. What is the coefficient of static friction between the book and the incline? Want Lecture Notes? This is an AP Physics 1 Topic. Content Times: 0:01 The example 0:44 Drawing the free body diagram 1:41 Net force in the parallel direction 2:11 Demonstrating why the acceleration in the parallel direction is zero 3:58 Force normal does not equal force of gravity 4:32 Net force in the perpendicular direction 5:07 Return to the parallel direction 6:06 Substituting in numbers Next Video: Calculating the Uncertainty of the Coefficient of Friction Multilingual? Please help translate Flipping Physics videos! Previous Video: Physics "Magic Trick" on an Incline Please support me on Patreon! Introductory Static Friction on an Incline Problem

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Learn how to use the Conservation of Mechanical Energy equation by solving a trebuchet problem. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 The problem 1:08 Why mechanical energy is conserved 1:37 Setting the zero line and initial and final points 2:32 The three types of mechanical energy 3:55 Canceling mechanical energies from the equation 4:54 Solving the equation 6:18 It’s final speed not final velocity 6:51 Why we can’t use the projectile motion equations 7:43 Do we really have to write all that down? Yes. Thank you to my students Will, Jacob, Natalie and Mery; my students who built and let me use their trebuchet! Next Video: Conservation of Energy Problem with Friction, an Incline and a Spring by Billy Multilingual? Please help translate Flipping Physics videos! Previous Video: Introduction to Elastic Potential Energy with Examples 1¢/minute

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Ian Terry, winner of Big Brother 14, makes a special appearance to help us learn about Conservation of Mechanical Energy. See several demonstrations and understand when mechanical energy is conserved. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:01 Reviewing the three different types of mechanical energy 0:23 Mr. Terry drops an object for our first demonstration 0:58 Calculating Kinetic Energy and Gravitational Potential Energy 2:53 Mechanical energy data table 3:37 Conservation of mechanical energy graph 5:10 When is mechanical energy conserved? 7:13 A second demonstration of conservation of mechanical energy Next Video: Introduction to Conservation of Mechanical Energy with Demonstrations Multilingual? Please help translate Flipping Physics videos! Previous Video: Introduction to Elastic Potential Energy with Examples 1¢/minute

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Name: Introductory Conservation of Mechanical Energy Problem using a Trebuchet Category: Work, Energy, Power Date Added: 20160112 Submitter: Flipping Physics Learn how to use the Conservation of Mechanical Energy equation by solving a trebuchet problem. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 The problem 1:08 Why mechanical energy is conserved 1:37 Setting the zero line and initial and final points 2:32 The three types of mechanical energy 3:55 Canceling mechanical energies from the equation 4:54 Solving the equation 6:18 It’s final speed not final velocity 6:51 Why we can’t use the projectile motion equations 7:43 Do we really have to write all that down? Yes. Thank you to my students Will, Jacob, Natalie and Mery; my students who built and let me use their trebuchet! Next Video: Conservation of Energy Problem with Friction, an Incline and a Spring by Billy Multilingual? Please help translate Flipping Physics videos! Previous Video: Introduction to Elastic Potential Energy with Examples 1¢/minute Introductory Conservation of Mechanical Energy Problem using a Trebuchet

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Name: Introduction to Conservation of Mechanical Energy with Demonstrations Category: Work, Energy, Power Date Added: 20151218 Submitter: Flipping Physics Ian Terry, winner of Big Brother 14, makes a special appearance to help us learn about Conservation of Mechanical Energy. See several demonstrations and understand when mechanical energy is conserved. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:01 Reviewing the three different types of mechanical energy 0:23 Mr. Terry drops an object for our first demonstration 0:58 Calculating Kinetic Energy and Gravitational Potential Energy 2:53 Mechanical energy data table 3:37 Conservation of mechanical energy graph 5:10 When is mechanical energy conserved? 7:13 A second demonstration of conservation of mechanical energy Next Video: Introduction to Conservation of Mechanical Energy with Demonstrations Multilingual? Please help translate Flipping Physics videos! Previous Video: Introduction to Elastic Potential Energy with Examples 1¢/minute Introduction to Conservation of Mechanical Energy with Demonstrations

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Mini mr.p helps you learn about Gravitational Potential Energy with examples of different zero line locations. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Defining Gravitational Potential Energy 1:37 Shrinking mr.p 2:09 Zero Line #1 2:47 Zero Line #2 3:25 Zero Line #3 4:41 Typical locations of the zero line 5:06 Determining the units for Gravitational Potential Energy Next Video: Introduction to Elastic Potential Energy with Examples Multilingual? Please help translate Flipping Physics videos! Previous Video: Introduction to Kinetic Energy with Example Problem 1¢/minute

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Name: Introduction to Elastic Potential Energy with Examples Category: Work, Energy, Power Date Added: 20161103 Submitter: Flipping Physics Mr. Fullerton of APlusPhysics makes a guest appearance as a floating head to help us learn about Elastic Potential Energy. Several examples of objects which store elastic potential energy are shown and one example of stored elastic potential energy is calculated. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:01 Defining Elastic Potential Energy 1:38 The equation for Elastic Potential Energy 2:08 Defining the Spring Constant 3:27 Elastic Potential Energy stored in a rubber band (Mr. Fullerton’s entrance). 3:39 Showing equilibrium position (or rest position). 4:00 Determining the Spring Constant 4:55 Solving for Elastic Potential Energy 5:44 Solving for the units of Elastic Potential Energy 6:29 Can Elastic Potential Energy be negative? Next Video: Introduction to Conservation of Mechanical Energy with Demonstrations Multilingual? Please help translate Flipping Physics videos! Previous Video: Introduction to Gravitational Potential Energy with Zero Line Examples 1¢/minute Introduction to Elastic Potential Energy with Examples

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Name: Introduction to Gravitational Potential Energy with Zero Line Examples Category: Work, Energy, Power Date Added: 20151207 Submitter: Flipping Physics Mini mr.p helps you learn about Gravitational Potential Energy with examples of different zero line locations. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Defining Gravitational Potential Energy 1:37 Shrinking mr.p 2:09 Zero Line #1 2:47 Zero Line #2 3:25 Zero Line #3 4:41 Typical locations of the zero line 5:06 Determining the units for Gravitational Potential Energy Next Video: Introduction to Elastic Potential Energy with Examples Multilingual? Please help translate Flipping Physics videos! Previous Video: Introduction to Kinetic Energy with Example Problem 1¢/minute Introduction to Gravitational Potential Energy with Zero Line Examples

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Mr.p pushes a shopping cart so you can learn about the physics concept of work! Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:09 Reading and translating the problem 0:52 Demonstrating the problem 1:30 Better Off Dead 2:04 Drawing the Free Body Diagram 3:14 Solving for work with two common mistakes 4:45 Work done by the Force of Gravity 5:16 Work done by the Force Normal Next Video: Introduction to Kinetic Energy with Example Problem Multilingual? Please help translate Flipping Physics videos! Previous Video: Introduction to Work with Examples 1¢/minute
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