Instructional Video0:59
Curated Video

Phonics - sound of M. ESL Videos for English learning, for teachers, for beginners

Pre-K - Higher Ed
ESL beginners will love this Phonics Video all about the letter M.

Early English students will learn the difference between big M and smal
l m.
Students will also learn the difference between the letter M and the sound of m....
Instructional Video1:26
Flipping Physics

#22 Mechanics Multiple Choice Solutions - AP Physics C 1998 Released Exam

12th - Higher Ed
This problem is about finding the coefficient of kinetic friction for a block being pulled at an angle relative to a level surface.
Instructional Video6:34
Flipping Physics

Mints on a Rotating Turntable - Determining the Static Coefficient of Friction

12th - Higher Ed
A turntable is turning 45 revolutions per minute. Mints are located 0.030 m, 0.080 m, and 0.130 m from the center of the record. Determine what you can about the coefficient of static friction between the turntable and the mints.
Instructional Video6:40
Flipping Physics

Introductory Static Friction on an Incline Problem

12th - Higher Ed
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?
Instructional Video6:58
Flipping Physics

Introductory Kinetic Friction on an Incline Problem

12th - Higher Ed
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?
Instructional Video6:57
Flipping Physics

Understanding the Force of Friction Equation

12th - Higher Ed
The Force of Friction Equation is actually three equations is one.
Instructional Video2:56
Flipping Physics

Experimentally Graphing the Force of Friction

12th - Higher Ed
To help understand the force of friction, mr.p pulls on a wooden block using a force sensor.
Instructional Video4:39
Flipping Physics

Do Anti-lock Brakes use Static or Kinetic Friction? by Billy

12th - Higher Ed
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?
Instructional Video4:58
Flipping Physics

Introduction to the Coefficient of Friction

12th - Higher Ed
Please do not confuse the Coefficient of Friction with the Force of Friction. This video will help you not fall into that Pit of Despair!
Instructional Video7:58
Flipping Physics

Does the Book Move? An Introductory Friction Problem

12th - Higher Ed
Determine if the book moves or not and the acceleration of the book. It's all about static and kinetic friction.
Instructional Video
Khan Academy

Khan Academy: Statistics: Variance of a Population

9th - 10th Standards
Video first reviews sample and population mean and their notation. Gives example of how variance is a useful description of a set and shows how to calculate variance including notation. Includes link to practice problems. [12:23]