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Introductory Kinetic Friction on an Incline Problem
From youtu.be, produced by Jonathan Thomas-Palmer
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

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Previous Video: Introductory Static Friction on an Incline Problem

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Found by Flipping Physics in Friction
June 16, 2016 at 09:54 AM
 
Ages: 10 - 18     License: Proprietary
 
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AP Physics C: Simple Harmonic Motion Review (Mechanics)
From YouTube, produced by Jonathan Thomas-Palmer
Calculus based review of Simple Harmonic Motion (SHM). SHM is defined. A horizontal mass-spring system is analyzed and proven to be in SHM and it’s period is derived. The difference between frequency and angular frequency is shown. The equations and graphs of position, velocity, and acceleration as a function of time are analyzed. the phase constant Phi is explained. And Conservation of Mechanical Energy in SHM is discussed. For the calculus based AP Physics C mechanics exam. Want Lecture Notes? 

Content Times:
0:12 Defining simple harmonic motion (SHM)
0:53 Analyzing the horizontal mass-spring system
2:26 Proving a horizontal mass-spring system is in SHM
3:38 Solving for the period of a mass-spring system in SHM
4:39 Are frequency and angular frequency the same thing?
5:16 Position as a function of time in SHM
5:44 Explaining the phase constant Phi
6:19 Deriving velocity as a function of time in SHM
7:33 Deriving acceleration as a function of time in SHM
9:05 Understanding the graphs of position, velocity, and acceleration as a function of time in SHM
12:16 Conservation of Mechanical Energy in SHM

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AP Physics C Review Website

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Thank you to Aarti Sangwan, Sawdog, and Spectrobits for being my Quality Control team for this video.
 
Found by Flipping Physics in AP Physics C: Mechanics
April 28, 2017 at 12:38 PM
 
Ages: 15 - 18     License: Undetermined
 
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Newton's Second Law of Motion
From YouTube, produced by makemegenius
A brief video for children explaining Newton's second law in an interesting & fun way. The 2nd law states that' Force is directly proportional to mass and acceleration. Imagine a ball of a certain mass moving at a certain acceleration. This ball has a certain force. Now imagine we make the ball twice as big (double the mass) but keep the acceleration constant. F = ma says that this new ball has twice the force of the old ball. (01:35)
 
Found by teresahopson in Newton's Second Law
September 20, 2018 at 06:01 PM
 
Ages: 12 - 16     License: Proprietary
 
Rating:  
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    Views: 288   
 
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