Virtually Passed
Force excitation equation of motion proof
Here I derive part of the equation of motion for a spring mass damper system experiencing a sinusoidaly varying force. This is only the particular solution - Ie, the steady state solution. The total solution is x(t) = x_p + x_h where x_h...
National Institute of Standards and Technology
Hydrogel Scaffold Library
This is a demonstration of how to make hydrogel scaffold libraries for rapid screening of cell-material interactions in 3D. This approach will help accelerate the development of new devices for tissue engineering applications.
Visual Learning Systems
What Is Matter?: Weighing Objects
In this wonderful introduction to the nature of matter, students will explore how they depend on and interact with matter. The program clearly demonstrates some of the physical and chemical properties of matter. Special attention is paid...
TMW Media
Momentum And Impulse: Solving another problem
Given certain parameters, how would you solve this problem? Momentum And Impulse, Part 4
Physics Girl
Why This Stuff Costs $2700 Trillion Per Gram - Antimatter at CERN
There’s a factory in Europe that makes antimatter! It’s the rarest, most expensive, and potentially the most dangerous material on earth. Scientists don’t know why this material is so rare. Anti-atoms took 72 years after we discovered...
Curated Video
Electrolysis of Aqueous Copper Sulfate Experiment
This is a lecture presentation on the electrolysis of aqueous copper sulfate. The presenter goes through the theory of the electrolysis with metal electrodes and develops a hypothesis about what happens when copper sulfate solution is...
Flipping Physics
Altitude of Geostationary Orbit (a special case of Geosynchronous Orbit)
Calculate the altitude of a satellite in geostationary orbit which is an orbit with the same 24 hour period as the Earth and always located directly over the same location on the equator. Geostationary orbit is a special case of...
Visual Learning Systems
Metric Mass and Volume Quiz
This is a quiz on the topics covered in the Metric Mass and Volume series. In this series, students differentiate between mass and volume and describe how these are measured in the metric system. They learn how to use measuring tools...
TMW Media
Kinetic Energy And The Work - Energy Theorem: Solving a problem
Given certain parameters, how would you solve this problem?
Kinetic Energy And The Work - Energy Theorem, Part 4
Curated Video
Understanding Atom Economy and Efficiency of Chemical Reactions
This video discusses the efficiency of chemical reactions and the concept of atom economy, which is a method of measuring how efficiently a reaction uses the atoms from the reactants. The speaker provides examples and calculations to...
Curated Video
Using Standard Form in Physics Calculations
This video teaches how to express large and small numbers in standard form to make it easier to use them in physics calculations. The presenter gives examples of small numbers, such as the volume of mercury in a thermometer, and large...
Visual Learning Systems
Introduction to Kinetic Energy and Work
In this video, the concept of kinetic energy is explained using everyday objects like a hammer, spatula, and baseball bat. The importance of understanding kinetic energy is emphasized by demonstrating how it affects the impact and...
Virtually Passed
Dynamics Formula Sheet
In this video I cover some of the main formulas used for a standard dynamics course: 1) Plane motion 2) Projectile motion 3) Circular motion 4) Dry Friction (static and dynamic) 5) Relative motion (for non rotating relative axes) 6)...
Virtually Passed
Calculating moment of inertia for rotating bar around end
Calculating moment of inertia for rotating bar around end
Dom Burgess
Is Time Travel Possible? Ring Laser - Every Think Part 3 of 3
Tipler Cylinders? Wormholes? Ring Lasers? Is it possible to travel BACK in time? In this action packed episode, Dom is hunted down by a government agent who wants to know how he made a time machine. Part 3 Can we create upscale versions...
Flipping Physics
Introductory Conservation of Momentum Explosion Problem Demonstration
Now that we have learned about conservation of momentum, let’s apply what we have learned to an “explosion”. Okay, it’s really just the nerd-a-pult launching a ball while on momentum carts.
Curated Video
Electrolysis of Aqueous Copper Sulfates: Analysis and Conclusion
The video is a lecture presentation on the electrolysis of aqueous copper sulfates. The presenter discusses an experiment to test the hypothesis about the relationship between the current through the electrolyte and the mass of copper...
Flipping Physics
g is Positive.
We draw a free body diagram and sum the forces on an object in projectile motion to prove the acceleration due to gravity, g, is positive. Want Lecture Notes? http://www.flippingphysics.com/g-is-p... This is an AP Physics 1 and an AP...
Flipping Physics
(Torque Solution) Acceleration of a Wheel descending on a Rope
A rope is wrapped around a bicycle wheel with a rotational inertia of 0.68MR^2. The wheel is released from rest and allowed to descend without slipping as the rope unwinds from the wheel. In terms of g, determine the acceleration of the...
Curated Video
Exponential Decay: Understanding the Formula and Solving Problems
This is a lesson on exponential decay, which is the opposite of exponential growth. The presenter explains that exponential decay occurs when the growth rate is negative and provides examples of how to calculate the values of a and b in...
FuseSchool
What Is the Atom Economy?
Learn the basics about the 'Atom Economy' in this video in our Chemical Calculations Series.
TMW Media
Momentum And Impulse: Solving a final problem
Given certain parameters, how would you solve this problem? Momentum And Impulse, Part 5
Virtually Passed
Static Friction Example 1
The maximum friction force that can be a applied on a stationary object is F_max = u_s N