AllTime 10s
10 Myths You Still Believe About WW2
You probably learned all about World War II at school, but there's a good chance you have a few misconceptions about how it all happened. Here's 10 Myths You Still Believe About World War II.
Why U
Algebra 82 - Complex Functions
In previous lectures we have seen that quadratic equations that have no solutions when only real values are considered, do have solutions when complex numbers are allowed as input and output values. In this lecture, we check the complex...
Brian McLogan
When given a point, how to find the triangle to evaluate for the 6 trig functions
👉 Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...
Brian McLogan
Using the parts of a quadratic to graph
👉 Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Flipping Physics
Uniform Solid Cylinder Moment of Inertia Derivation
Deriving the integral equation for the moment of inertia or rotational inertia of a uniform solid cylinder.
Flipping Physics
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.
Professor Dave Explains
Gauss’s Law for the Magnetic Field
We've covered Gauss' Law for the Electric Field, but what about the magnetic field? That's covered in the second of Maxwell's equations, which we'll discuss in this video. Gauss' Law for the Magnetic Field displays the simplest facts...
Why U
Algebra 56 - A Geometrical View of Gauss-Jordan Elimination -
Although Gauss-Jordan Elimination is typically thought of as a purely algebraic process, when viewed geometrically, this process is beautiful and amazing, providing insights into the underlying mechanisms of the matrix transformations...
Brian McLogan
Learn how to evaluate the left, right and general limit from a piecewise function
👉 Learn how to evaluate the limit of a piecewice function. A piecewise function is a function that has different rules for a different range of values. The limit of a function as the input variable of the function tends to a number/value...
Brian McLogan
Find the axis of symmetry and your vertex
👉 Learn about the parts of a parabola. A parabola is the shape of the graph of a quadratic equation. A regular palabola is the parabola that is facing either up or down while an irregular parabola faces left or right. A quadratic...
Let's Tute
Finding the Area of a Triangle Using Coordinates of Vertices
In this video, the teacher explains how to find the area of a triangle using the coordinates of its vertices. They break down the triangle into three trapeziums and provide a formula for finding the area. They also provide a helpful...
Curated Video
Understanding Market Equilibrium
This video provides a recap on how markets operate and work. It explains the concept of demand and supply, and how the interaction of these two elements determines the equilibrium price and quantity of a product or service. The video...
Curated Video
Finding Resistance: Investigating the Relationship between Resistance and Length of Nichrome Wire
The video is a lecture presentation on finding resistance. The presenter demonstrates how to adapt a basic circuit to investigate the relationship between the resistance and length of nichrome wire. The presenter walks through the...
Curated Video
Using a Unit Circle to Find Trigonometric Function Values
Learn how to use a unit circle to study angles and find the values of sine, cosine, and tangent functions. The teacher reviews the ratios of sides in special triangles and emphasizes the importance of drawing the reference triangle...
Brian McLogan
Given a point learn how to evaluate the six trig functions with reference angle
👉 Learn all about evaluating trigonometric functions with triangles. In this playlist, we will learn how to evaluate, sine, cosine, tangent, cotangent, secant, and cosecant when given the sides of a triangle. If we have missing sides we...
Brian McLogan
Graphing a quadratic function in standard form
👉 Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Brian McLogan
Graphing a quadratic equation using a table of values
👉 Learn how to graph quadratics in standard form. A quadratic equation is an equation whose highest exponent in the variable(s) is 2. To graph a quadratic equation, we make use of a table of values and the fact that the graph of a...
Catalyst University
Determine the Isotonic Concentration for a Cell in Solution
In this video, we consider the following situation: Eggs (cells) are placed in solutions with various concentrations, and initial and final egg masses are determined. Determine the isotonic concentration via graphing and manual...
Brian McLogan
What do you need to know to write the equation of a parabola
Learn all about parabolas in conic sections. We will discover the basic definitions such as the vertex, focus, directrix, and axis of symmetry. We will also take a look a basic processes such as graphing, writing the equation and...
Brian McLogan
How to use left hand riemann sum approximation
👉 Learn how to approximate the integral of a function using the Reimann sum approximation. Reimann sum is an approximation of the area under a curve or between two curves by dividing it into multiple simple shapes like rectangles and...
National Institute of Standards and Technology
Preparation of Powdered Coal and Coke SRM Blends
This video demonstrates how to blend powdered coal and coke certified reference materials. It is intended to be used in conjunction with NIST Special Publication SP 260-167 available at http://ts.nist.gov/MeasurementService...
Visual Learning Systems
Investigating Simple Plants: Liverworts and Hornworts, and Mosses
This series of videos explores the fascinating characteristics of nonvascular land plants as well as some of the simpler vascular plants. An in-depth look at mosses, hornworts, and liverworts serves as the topic of study for the...
Brian McLogan
How to reflect a line over the origin
👉 Learn how to reflect points and a figure over a line of symmetry. Sometimes the line of symmetry will be a random line or it can be represented by the x or y-axis. Either way when reflecting a point and or figure over the line of...
Brian McLogan
How to apply a reflection over the x axis ex 1
👉 Learn how to reflect points and a figure over a line of symmetry. Sometimes the line of symmetry will be a random line or it can be represented by the x or y-axis. Either way when reflecting a point and or figure over the line of...