Virtually Passed
velocity of center of wheel under pure role
If a disk/ wheel is rolling across a floor without slipping then the velocity of the centroid of the disk will have a velocity V_0 = Rw.
Brian McLogan
Learning how to solve an equation using the sum and difference formulas for sine
👉 Learn how to solve equations using the angles sum and difference identities. Using the angles sum and difference identities, we are able to expand the trigonometric expressions, thereby obtaining the values of the non-variable terms....
Brian McLogan
What is a factorial
👉 Learn all about factorials. Factorials are the multiplication of a number in descending integer values back to one. Factorials are used often in sequences, series, permutations, and combinations. Factorial quotient expressions are...
Brian McLogan
Finding the formula of alternating signs of a sequence
👉 Learn how to write the rule of a sequence given a sequence of numbers. A sequence is a list of numbers/values exhibiting a defined pattern. A number/value in a sequence is called a term of the sequence. To write the explicit formula of...
Brian McLogan
How to find the area of a triangle using heron's formula
Learn how to find the area of a triangle. The area of a triangle is the measure of the region enclosed by the triangle. There are several methods that can be used to find the area of a triangle depending on the available information....
Brian McLogan
Given the initial and terminal point, write the vector in component form
Learn how to write a vector in component form given two points and also how to determine the magnitude of a vector given in component form. Given two point vectors with one representing the initial point and the other representing the...
Virtually Passed
Friction simple problem
Will block 1 slide down the hill? What is the inequality that needs to be satisfied?
Virtually Passed
Projectile motion Example problem 1
What is the horizontal distance the cannon ball moves? There are a few ways to approach this problem. I personally strongly recommend applying the fundamental formulas directly rather than get used to the projectile motion formulas -...
Brian McLogan
Pre-Calculus - Find All of the Solutions of an Equation Using the Double Angle Formulas
👉 Learn how to use the double angle identities to solve trigonometric equations. When we have equations with a double angle we will apply the identities to create an equation that can help solve by inverse operations or factoring. We...
Curated Video
Ionic Compound Formation Explained
This video is an educational presentation on how to form compounds through understanding the charges on various ions. The viewer learns about the formation of positive and negative ions in metals and non-metals, how to predict the charge...
Curated Video
Solving Simple Rational Equations
In this video, the teacher explains how to calculate the average speed for two different modes of transportation by using the distance formula and solving a simple rational equation. The teacher provides an example of a scenario where a...
Brian McLogan
Given the vertices and foci graph the equation of the ellipse
Learn how to write the equation of an ellipse from its properties. The equation of an ellipse comprises of three major properties of the ellipse: the major radius (a), the minor radius (b) and the center (h, k). The ellipse is vertical...
Brian McLogan
Conics section Characteristics of a parabola with vertical axis of symmetry
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...
Catalyst University
Calculating Weight Loss From Calorie Reduction and Exercise
Calculating Weight Loss From Calorie Reduction and Exercise
Primer
Why do Things Exist? Setting the Stage for Evolution
Before thinking about living things, let's see what we can say about why raindrops and planets exist.
Curated Video
Compare different types of data structures : Binary Indexed Trees
From the section: Tree-Based Data Structures. In this section, we will go over a few robust tree-based data structures, that are indispensable for efficiently solving various query-related problems. In this video, we introduce another...
Curated Video
Rearranging Formulas to Highlight Relationships
In this video, you will learn how to rearrange formulas to highlight specific relationships by using the properties of equality. The teacher explains how to solve for mass when force and acceleration are known, and also demonstrates how...
Brian McLogan
Complete the square to find the focus directrix and vertex in conic sections parabola
Learn how to graph a parabola in when it is given in general form. To graph a parabola in conic sections we will need to convert the equation from general form to standard form by completing the square. Once it is in standard form we can...
Brian McLogan
How to write a vector in three different forms
How to write a vector in three different forms
Curated Video
Introduction to Differentiation of Small Positive Integer Powers of X
The video discusses the differentiation of small positive integer powers of X using the first principles method. The presenter explains how to find the gradient of curves for functions such as X^2, X^3, X^5, and 3X^2 by taking the limit...
Virtually Passed
Impulse and momentum derivation
With the assistance of an animation, this video shows how to calculate impulse using the change in momentum.
Let's Tute
Probability Dice Problem - Probability Lecture
In this Probability- online tutorial, probability video,probability tutorial, probability lecture, gives you a good idea of solving the probability on dice problems Probability Tutorial demonstrate the logic to calculate the probability...
TMW Media
Area of Prisms: Calculating the area of a rectangular prism
How do you find the surface area? What is the formula for the total area of a rectangular prism? Area of Prisms, Part 2
Brian McLogan
Evaluate the sum of two angles with cosine
👉 Learn how to evaluate the cosine of an angle in radians using the sum/difference formulas. To do this, we first express the given angle as a sum or a difference of two (easy to evaluate) angles, then we use the unit circle and the...