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Found 101 results

  1. Two equal mass eggs are placed at either end in an egg carton of negligible mass. The egg carton is initially rotated about its middle. If the egg carton is now rotated about one end, what is the final moment of inertia of the eggs relative to their initial moment of inertia? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:07 Translating the problem 0:47 Initial moment of inertia 1:52 Final moment of inertia 2:46 This is a rough estimate Next Video: Moments of Inertia of Rigid Objects with Shape Multilingual? Please help translate Flipping Physics videos! Previous Video: Introductory Moment of Inertia and Rotational Kinetic Energy Problem Please support me on Patreon! Thank you to Christopher Becke for being my Quality Control Team for this video.
  2. Three 20.0-gram masses are 9.4 cm from an axis of rotation and rotating at 152 revolutions per minute. What is the moment of inertia of the three-object system? The strings holding the masses are of negligible mass. Rotational Kinetic Energy is also solved for and correct units are determined. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:02 Demonstration 0:14 Translating the problem 0:57 Solving the problem 2:40 Moment of Inertia and angular velocity 3:35 Rotational Kinetic Energy 4:04 Fixing the units 6:27 Solving for joules 7:17 Comparing to Gravitational Potential Energy Next Video: Eggs in a Carton Moment of Inertia Problem Multilingual? Please help translate Flipping Physics videos! Previous Video: Moment of Inertia Introduction and Rotational Kinetic Energy Derivation Please support me on Patreon! Thank you to Scott Carter, Jonathan Everett, and Christopher Becke for being my Quality Control Team for this video.
  3. Flipping Physics

    Center of Mass of an Object with a Hole

    How to find the center of mass of an object with a missing piece. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:07 The problem 1:18 Center of mass locations 2:59 Solving the problem 5:14 Testing the answer Next Video: Throwing a Ball in a Boat - Demonstrating Center of Mass Multilingual? Please help translate Flipping Physics videos! Previous Video: Center of Mass of an Irregular Object Please support me on Patreon! Thank you to Christopher Becke, Jonathan Everett, and Scott Carter for being my Quality Control Team for this video. Thank you to Youssef Nasr for transcribing the English subtitles of this video.
  4. Flipping Physics

    Center of Mass of an Irregular Object

    How to find the center of mass of an irregularly shaped, flat object. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 The problem 0:57 Translating the problem 2:52 Area instead of mass 4:42 Solving the problem 6:05 Understanding the answer Next Video: Center of Mass of an Object with a Hole Multilingual? Please help translate Flipping Physics videos! Previous Video: Calculating the Center of Mass of a System of Particles Please support me on Patreon! Thank you to Christopher Becke, Jonathan Everett, Scott Carter, and Aarti Sangwan for being my Quality Control Team for this video. Thank you to Youssef Nasr for transcribing the English subtitles of this video.
  5. Three point objects are located at various locations on a Cartesian coordinate system. Mass 1, with a mass of 1.1 kg, is located at (1.0,1.5) m. Mass 2, with a mass of 3.4 kg, is located at (3.0,1.0) m. Mass 3, with a mass of 1.3 kg, is located at (1.5,2.5) m. Where is the center of mass of the three-object system? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:07 The problem 2:30 The equation 4:16 Solving the problem 5:51 Not the centroid! Next Video: Center of Mass of an Irregular Object Multilingual? Please help translate Flipping Physics videos! Previous Video: Do Your Feet Affect How Far You Slide on a Water Slide? Please support me on Patreon! Thank you to Christopher Becke, Jonathan Everett, Scott Carter, Kathy Willard, and Kevin Kulka for being my Quality Control Team for this video. Thank you to Youssef Nasr for transcribing the English subtitles of this video. Picture credits: Cartesian Coordinate System https://commons.wikimedia.org/wiki/File:Cartesian-coordinate-system.svg René Descartes https://commons.wikimedia.org/wiki/File:Frans_Hals_-_Portret_van_René_Descartes.jpg
  6. A horizontal spring is attached to a cord, the cord goes over a pulley, and a 0.025 kg mass is attached to the cord. If the spring is stretched by 0.045 m, what is the spring constant of the spring? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:07 Translating the problem 0:39 Solving the problem 2:26 Comparing to a vertical spring 3:30 Expansion vs. compression springs 3:56 The human spine acts like a compression spring Next Video: You Can't Run From Momentum! (a momentum introduction) Multilingual? Please help translate Flipping Physics videos! Previous Video: Determining the Spring Constant, k, with a Vertically Hanging Mass Please support me on Patreon! Thank you to Aarti Sangwan, Scott Carter, and Christopher Becke for being my Quality Control Team for this video. Thank you to Youssef Nasr for transcribing the English subtitles of this video.
  7. Name: The Human Spine acts like a Compression Spring Category: Oscillations Date Added: 2018-04-02 Submitter: Flipping Physics A horizontal spring is attached to a cord, the cord goes over a pulley, and a 0.025 kg mass is attached to the cord. If the spring is stretched by 0.045 m, what is the spring constant of the spring? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:07 Translating the problem 0:39 Solving the problem 2:26 Comparing to a vertical spring 3:30 Expansion vs. compression springs 3:56 The human spine acts like a compression spring Next Video: You Can't Run From Momentum! (a momentum introduction) Multilingual? Please help translate Flipping Physics videos! Previous Video: Determining the Spring Constant, k, with a Vertically Hanging Mass Please support me on Patreon! Thank you to Aarti Sangwan, Scott Carter, and Christopher Becke for being my Quality Control Team for this video. Thank you to Youssef Nasr for transcribing the English subtitles of this video. The Human Spine acts like a Compression Spring
  8. Name: Determining the Spring Constant, k, with a Vertically Hanging Mass Category: Oscillations Date Added: 2018-04-02 Submitter: Flipping Physics A vertically hanging spring with a natural length of 5.4 cm is extended to a length of 11.4 cm when 25 grams is suspended from it. What is the spring constant of the spring? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 0:54 The free body diagram 1:53 Understanding the direction of the Spring Force 2:46 Summing the forces 3:32 Common misconception when using Hooke’s Law equation 5:00 Using the magnitude of the displacement from equilibrium Next Video: The Human Spine acts like a Compression Spring Multilingual? Please help translate Flipping Physics videos! Previous Video: Hooke's Law Introduction - Force of a Spring Please support me on Patreon! Thank you to Aarti Sangwan and Christopher Becke for being my Quality Control Team for this video. Thank you to Youssef Nasr for transcribing the English subtitles of this video. Determining the Spring Constant, k, with a Vertically Hanging Mass
  9. A vertically hanging spring with a natural length of 5.4 cm is extended to a length of 11.4 cm when 25 grams is suspended from it. What is the spring constant of the spring? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 0:54 The free body diagram 1:53 Understanding the direction of the Spring Force 2:46 Summing the forces 3:32 Common misconception when using Hooke’s Law equation 5:00 Using the magnitude of the displacement from equilibrium Next Video: The Human Spine acts like a Compression Spring Multilingual? Please help translate Flipping Physics videos! Previous Video: Hooke's Law Introduction - Force of a Spring Please support me on Patreon! Thank you to Aarti Sangwan and Christopher Becke for being my Quality Control Team for this video. Thank you to Youssef Nasr for transcribing the English subtitles of this video.
  10. Calculus based review of Universal Gravitation including Newton’s Universal Law of Gravitation, solving for the acceleration due to gravity in a constant gravitational field, universal gravitational potential energy, graphing universal gravitational potential energy between an object and the Earth, three example problems (binding energy, escape velocity and orbital energy), and Kepler’s three laws. For the calculus based AP Physics C mechanics exam. Want Lecture Notes? At 6:01 this video addresses an error in the Universal Gravitational Potential Energy Graph from the video's previous iteration. Content Times: 0:10 Newton’s Universal Law of Gravitation 1:52 Solving for the acceleration due to gravity 2:02 Universal Gravitational Potential Energy 4:52 Graph of Universal Gravitational Potential Energy between an object and the Earth 6:01 Correcting the Universal Gravitational Potential Energy Graph 7:30 Binding Energy Example Problem 9:41 Escape Velocity Example Problem 11:19 Orbital Energy Example Problem 13:52 Kepler’s Three Laws 14:17 Kepler’s First Law 16:19 Kepler’s Second Law 16:42 Deriving Kepler’s Third Law Multilingual? Please help translate Flipping Physics videos! AP Physics C Review Website Next Video: AP Physics C: Simple Harmonic Motion Review (Mechanics) Previous Video: AP Physics C: Rotational vs. Linear Review (Mechanics) Please support me on Patreon! Thank you to Aarti Sangwan, Sawdog, and Frank Geshwind for being my Quality Control team for this video.
  11. A conical pendulum is demonstrated and it’s angular velocity is determined. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 0:54 Illustrating how this is a conical pendulum 1:25 Drawing the free body diagram 2:50 Breaking the force of tension into its components 3:53 Summing the forces in the y-direction 4:34 Summing the forces in the in-direction 5:25 Solving for the radius 7:23 Determining the angular direction 8:02 Comparing our answer to the demonstration 8:51 The Physics Works! Next Video: Newton's Universal Law of Gravitation Introduction (The Big G Equation) Multilingual? Please help translate Flipping Physics videos! Previous Video: The Right Hand Rule for Angular Velocity and Angular Displacement Please support me on Patreon! Thank you to Scott Carter and Christopher Becke for being my Quality Control Team for this video.
  12. Name: Conical Pendulum Demonstration and Problem Category: Rotational Motion Date Added: 2017-11-12 Submitter: Flipping Physics A conical pendulum is demonstrated and it’s angular velocity is determined. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 0:54 Illustrating how this is a conical pendulum 1:25 Drawing the free body diagram 2:50 Breaking the force of tension into its components 3:53 Summing the forces in the y-direction 4:34 Summing the forces in the in-direction 5:25 Solving for the radius 7:23 Determining the angular direction 8:02 Comparing our answer to the demonstration 8:51 The Physics Works! Next Video: Newton's Universal Law of Gravitation Introduction (The Big G Equation) Multilingual? Please help translate Flipping Physics videos! Previous Video: The Right Hand Rule for Angular Velocity and Angular Displacement Please support me on Patreon! Thank you to Scott Carter and Christopher Becke for being my Quality Control Team for this video. Conical Pendulum Demonstration and Problem
  13. A 0.453 kg toy car moving at 1.15 m/s is going up a semi-circular hill with a radius of 0.89 m. When the hill makes an angle of 32° with the horizontal, what is the magnitude of the force normal on the car? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08: Translating the problem 1:01 Clarifying the angle 1:51 Drawing the free body diagram 3:20 Summing the forces 4:22 How the tangential velocity and force normal change Next Video: Demonstrating Why Water Stays in a Bucket Revolving in a Vertical Circle Multilingual? Please help translate Flipping Physics videos! Previous Video: Mints on a Rotating Turntable - Determining the Static Coefficient of Friction Please support me on Patreon! Thank you to Aarti Sangwan, Scott Carter, and Christopher Becke for being my Quality Control Team for this video.
  14. Name: Determining the Force Normal on a Toy Car moving up a Curved Hill Category: Rotational Motion Date Added: 2017-10-08 Submitter: Flipping Physics A 0.453 kg toy car moving at 1.15 m/s is going up a semi-circular hill with a radius of 0.89 m. When the hill makes an angle of 32° with the horizontal, what is the magnitude of the force normal on the car? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08: Translating the problem 1:01 Clarifying the angle 1:51 Drawing the free body diagram 3:20 Summing the forces 4:22 How the tangential velocity and force normal change Next Video: Demonstrating Why Water Stays in a Bucket Revolving in a Vertical Circle Multilingual? Please help translate Flipping Physics videos! Previous Video: Mints on a Rotating Turntable - Determining the Static Coefficient of Friction Please support me on Patreon! Thank you to Aarti Sangwan, Scott Carter, and Christopher Becke for being my Quality Control Team for this video. Determining the Force Normal on a Toy Car moving up a Curved Hill
  15. What is the maximum linear speed a car can move over the top of a semi-circular hill without its tires lifting off the ground? The radius of the hill is 1.8 meters. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 0:42 Drawing the free body diagram and summing the forces 1:45 Why the force normal is zero in this situation 2:26 Finishing the problem Next Video: Determining the Force Normal on a Toy Car moving up a Curved Hill Multilingual? Please help translate Flipping Physics videos! Previous Video: Introductory Centripetal Force Problem - Car over a Hill Please support me on Patreon! Thank you to Scott Carter and Christopher Becke for being my Quality Control Team for this video.
  16. Name: What is the Maximum Speed of a Car at the Top of a Hill? Category: Rotational Motion Date Added: 2017-10-02 Submitter: Flipping Physics What is the maximum linear speed a car can move over the top of a semi-circular hill without its tires lifting off the ground? The radius of the hill is 1.8 meters. Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 0:42 Drawing the free body diagram and summing the forces 1:45 Why the force normal is zero in this situation 2:26 Finishing the problem Next Video: Determining the Force Normal on a Toy Car moving up a Curved Hill Multilingual? Please help translate Flipping Physics videos! Previous Video: Introductory Centripetal Force Problem - Car over a Hill Please support me on Patreon! Thank you to Scott Carter and Christopher Becke for being my Quality Control Team for this video. What is the Maximum Speed of a Car at the Top of a Hill?
  17. A 453 g toy car moving at 1.05 m/s is going over a semi-circular hill with a radius of 1.8 m. When the car is at the top of the hill, what is the magnitude of the force from the ground on the car? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 1:49 Drawing the free body diagram 2:43 We need to sum the forces in the in-direction 3:22 The “in-direction” is positive. The “out-direction” is negative 4:06 Identifying the centripetal force in this problem 4:54 Solving the problem … finally. 6:15 Kit compares the magnitudes of the force normal and force of gravity Thank you to Kit from Gorilla Physics for your help with this video!! Next Video: What is the Maximum Speed of a Car at the Top of a Hill? Multilingual? Please help translate Flipping Physics videos! Previous Video: Centripetal Force Introduction and Demonstration Please support me on Patreon! Thank you to Scott Carter and Christopher Becke for being my Quality Control Team for this video.
  18. Name: Introductory Centripetal Force Problem - Car over a Hill Category: Rotational Motion Date Added: 2017-09-18 Submitter: Flipping Physics A 453 g toy car moving at 1.05 m/s is going over a semi-circular hill with a radius of 1.8 m. When the car is at the top of the hill, what is the magnitude of the force from the ground on the car? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 1:49 Drawing the free body diagram 2:43 We need to sum the forces in the in-direction 3:22 The “in-direction” is positive. The “out-direction” is negative 4:06 Identifying the centripetal force in this problem 4:54 Solving the problem … finally. 6:15 Kit compares the magnitudes of the force normal and force of gravity Thank you to Kit from Gorilla Physics for your help with this video!! Next Video: What is the Maximum Speed of a Car at the Top of a Hill? Multilingual? Please help translate Flipping Physics videos! Previous Video: Centripetal Force Introduction and Demonstration Please support me on Patreon! Thank you to Scott Carter and Christopher Becke for being my Quality Control Team for this video. Introductory Centripetal Force Problem - Car over a Hill
  19. Tangential Acceleration is introduced and visualized. Example problem is worked through. We even relate arc length, tangential velocity, and tangential acceleration via the derivative! Example: A record player is plugged in and uniformly accelerates to 45 revolutions per minute in 0.85 seconds. Mints are located 3.0 cm, 8.0 cm, and 13.0 cm from the center of the record. What is the magnitude of the tangential acceleration of each mint? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:21 The tangential acceleration equation 0:55 Translating the example problem 2:13 Solving for angular acceleration 3:02 Solving for tangential accelerations 4:16 Visualizing the tangential accelerations 5:05 Using the derivative to relate arc length, tangential velocity, and tangential acceleration Multilingual? Please help translate Flipping Physics videos! Next Video: Demonstrating the Directions of Tangential Velocity and Acceleration Previous Video: Introductory Tangential Velocity 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.
  20. Name: Tangential Acceleration Introduction with Example Problem - Mints on a Turntable Category: Rotational Motion Date Added: 2017-08-13 Submitter: Flipping Physics Tangential Acceleration is introduced and visualized. Example problem is worked through. We even relate arc length, tangential velocity, and tangential acceleration via the derivative! Example: A record player is plugged in and uniformly accelerates to 45 revolutions per minute in 0.85 seconds. Mints are located 3.0 cm, 8.0 cm, and 13.0 cm from the center of the record. What is the magnitude of the tangential acceleration of each mint? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:21 The tangential acceleration equation 0:55 Translating the example problem 2:13 Solving for angular acceleration 3:02 Solving for tangential accelerations 4:16 Visualizing the tangential accelerations 5:05 Using the derivative to relate arc length, tangential velocity, and tangential acceleration Multilingual? Please help translate Flipping Physics videos! Next Video: Demonstrating the Directions of Tangential Velocity and Acceleration Previous Video: Introductory Tangential Velocity 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. Tangential Acceleration Introduction with Example Problem - Mints on a Turntable
  21. Three mints are sitting 3.0 cm, 8.0 cm, and 13.0 cm from the center of a record player that is spinning at 45 revolutions per minute. What are the tangential velocities of each mint? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 1:11 Solving the problem 2:12 Visualizing the tangential velocities 2:42 The direction of tangential velocity Multilingual? Please help translate Flipping Physics videos! Next Video: Tangential Acceleration Introduction with Example Problem - Mints on a Turntable Previous Video: Human Tangential Velocity Demonstration Please support me on Patreon! Thank you to Christopher Becke and Natasha Trousdale for being my Quality Control Team for this video.
  22. Name: Introductory Tangential Velocity Problem - Mints on a Turntable Category: Rotational Motion Date Added: 2017-08-08 Submitter: Flipping Physics Three mints are sitting 3.0 cm, 8.0 cm, and 13.0 cm from the center of a record player that is spinning at 45 revolutions per minute. What are the tangential velocities of each mint? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 1:11 Solving the problem 2:12 Visualizing the tangential velocities 2:42 The direction of tangential velocity Multilingual? Please help translate Flipping Physics videos! Next Video: Tangential Acceleration Introduction with Example Problem - Mints on a Turntable Previous Video: Human Tangential Velocity Demonstration Please support me on Patreon! Thank you to Christopher Becke and Natasha Trousdale for being my Quality Control Team for this video. Introductory Tangential Velocity Problem - Mints on a Turntable
  23. What is the angular acceleration of a compact disc that turns through 3.25 revolutions while it uniformly slows to a stop in 2.27 seconds? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 0:52 Determining which Uniformly Angularly Accelerated Motion (UαM) equation to use 1:54 Using a second UαM equation Multilingual? Please help translate Flipping Physics videos! Next Video: Human Tangential Velocity Demonstration Previous Video: Uniformly Angularly Accelerated Motion Introduction Please support me on Patreon! Thank you to Christopher Becke for being my Quality Control Team for this video.
  24. Name: Introductory Uniformly Angularly Accelerated Motion Problem - A CD Player Category: Rotational Motion Date Added: 2017-07-23 Submitter: Flipping Physics What is the angular acceleration of a compact disc that turns through 3.25 revolutions while it uniformly slows to a stop in 2.27 seconds? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 0:52 Determining which Uniformly Angularly Accelerated Motion (UαM) equation to use 1:54 Using a second UαM equation Multilingual? Please help translate Flipping Physics videos! Next Video: Human Tangential Velocity Demonstration Previous Video: Uniformly Angularly Accelerated Motion Introduction Please support me on Patreon! Thank you to Christopher Becke for being my Quality Control Team for this video. Introductory Uniformly Angularly Accelerated Motion Problem - A CD Player
  25. A record player is plugged in, uniformly accelerates to 45 revolutions per minute, and then is unplugged. The record player (a) takes 0.85 seconds to get up to speed, (b) spends 3.37 seconds at 45 rpms, and then (c) takes 2.32 seconds to slow down to a stop. What is the average angular acceleration of the record player during all three parts? Want Lecture Notes? This is an AP Physics 1 topic. Content Times: 0:08 Translating the problem 2:35 Solving part (a) - angular acceleration while speeding up 3:13 Solving part (b) - angular acceleration at a constant angular velocity 3:57 Solving part (c) - angular acceleration while slowing down 4:36 Reflecting on all 3 parts simultaneously Multilingual? Please help translate Flipping Physics videos! Next Video: Uniformly Angularly Accelerated Motion Introduction Previous Video: Angular Acceleration Introduction Please support me on Patreon! Thank you to Aarti Sangwan, Scott Carter, and Christopher Becke for being my Quality Control team for this video.

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