45 Videos for "magnitude"

Algebraic Representation of Vectors  Concept
Math › Precalculus › Vectors and Parametric Equations
How to express a position vector algebraically in component form <a,b>, and how to compute its magnitude. 
The Geometric Representation of Vectors  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How to plot a vector given its initial point and terminal point, and how to find its magnitude. 
The Geometric Representation of Vectors  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to plot a vector given its initial point and terminal point, and how to find its magnitude. 
Vector Operations in 3D  Concept
Math › Precalculus › Vectors and Parametric Equations
How to perform vector operations like addition, scalar multiplication, the dot product, and finding the magnitude, in three dimensions. 
Area With the Cross Product  Concept
Math › Precalculus › Systems of Linear Equations and Matrices
How to show that the magnitude of the cross product of two vectors gives the area of the parallelogram determined by those two vectors. 
The Geometric Representation of Vectors  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How to plot a vector given its initial point and terminal point, and how to find its magnitude. 
Velocity Vectors
Science › Physics › Linear and Projectile Motion
How to express velocity as a vector. 
Components of Vectors
Science › Physics › Linear and Projectile Motion
Understanding the components of vectors. 
Vector Direction
Science › Physics › Linear and Projectile Motion
How to predict the direction of a vector. 
Adding Vectors  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How to plot the sum of two vectors and find its magnitude. 
Adding Vectors  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How to plot the sum of two vectors and find its magnitude. 
Unit Vectors  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to find the unit vector that has the same direction as a given vector. 
The Resultant of Two Forces  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How to find the resultant of two forces. 
The Angle Between Vectors  Problem 4
Math › Precalculus › Vectors and Parametric Equations
How to derive the formula for the angle between two vectors. 
The Geometric Representation of Vectors  Concept
Math › Precalculus › Vectors and Parametric Equations
How to understand what vectors are, and how they can be represented geometrically. 
The Definitions of Sine and Cosine  Problem 4
Math › Precalculus › Trigonometric Functions
How to determine the magnitude of sine or cosine using a unit circle diagram. 
Unit Vectors  Concept
Math › Precalculus › Vectors and Parametric Equations
How to express a vector algebraically in terms of the unit vectors i and j. 
The Definitions of Sine and Cosine  Problem 4
Math › Trigonometry › Trigonometric Functions
How to determine the magnitude of sine or cosine using a unit circle diagram. 
The Resultant of Two Forces  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How to find the resultant of two forces. 
The Resultant of Two Forces  Concept
Math › Precalculus › Vectors and Parametric Equations
How to find the resultant of two forces when they are parallel, opposite, or perpendicular in direction.