45 Videos for "magnitude"

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. 
Navigation Problems  Concept
Math › Precalculus › Vectors and Parametric Equations
How we measure airspeed, wind, groundspeed, and other variables in navigation. 
Introduction to the 3D Coordinate System  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How to find the coordinates of the vertices of a rectangular box. 
The Midpoint and Distance Formulas in 3D  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How to find the length and midpoint of a segment in three dimensions. 
Vector Quantities  Scalar Quantities
Science › Physics › Linear and Projectile Motion
Understanding the differences between vectors and scalar quantities. 
The Midpoint and Distance Formulas in 3D  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to find the equation of a sphere with center (a,b,c) and radius r. 
Adding Vectors  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to plot the sum of two vectors (one the opposite of the other) and find its magnitude. 
Area With the Cross Product  Problem 1
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the area of a parallelogram using the cross product of the vectors that determine it. 
The Resultant of Two Forces  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to find the resultant of two forces at an acute angle (45 degrees). 
Unit Vectors  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How to find a unit vector in any direction given the direction's angle. 
The Angle Between Planes  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to find the angle between two planes. 
Vector Operations in 3D  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to find the angle between two vectors in three dimensions. 
Motion Along a Line  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How to write equations describing motion in a straight line given the velocity and the position when t=2. 
Area With the Cross Product  Problem 3
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the area of a triangle in xyzspace using vectors formed from two of its sides. 
The Dot Product of Vectors  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How to prove that the dot product uu of a vector with itself equals the square of its magnitude abs(u)^2. 
Introduction to the 3D Coordinate System  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to find the equation of a sphere with radius r when it is centered at the origin. 
Algebraic Representation of Vectors  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How to express a vector from point Q to point R algebraically in component form <a,b>. 
Motion Along a Line  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to find the velocity and speed, and the displacement and distance traveled, of an object traveling in a straight line. 
Navigation Problems  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How we find the course and groundspeed of an airplane when we are given its velocity and the wind velocity. 
Navigation Problems  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How we find the course and groundspeed of an airplane when we are given its velocity and the wind velocity.