45 Videos for "magnitude"

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. 
The Midpoint and Distance Formulas in 3D  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How to find the equation of the set of points equidistant from two given points. 
Area With the Cross Product  Problem 2
Math › Precalculus › Systems of Linear Equations and Matrices
How to compute the area of a triangle in the xyplane using vectors formed from two of its sides. 
Introduction to the 3D Coordinate System  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How to find the components of a vector from point A to point B in threedimensions, and how to find its length. 
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.