43 Videos for "magnitude of vectors"

Vector Quantities  Scalar Quantities
Science › Physics › Linear and Projectile Motion
Understanding the differences between vectors and scalar quantities. 
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. 
Introduction to the 3D Coordinate System  Concept
Math › Precalculus › Vectors and Parametric Equations
How to define the components and length of a position vector 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 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. 
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. 
The Resultant of Two Forces  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How to find the resultant of two forces. 
Navigation Problems  Concept
Math › Precalculus › Vectors and Parametric Equations
How we measure airspeed, wind, groundspeed, and other variables in navigation. 
The Resultant of Two Forces  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How to find the resultant of two forces. 
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 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. 
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. 
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). 
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 2
Math › Precalculus › Vectors and Parametric Equations
How we find the course and groundspeed of a complicated airplane problem when we are given its velocity and the wind velocity at 210 and 270 degrees. 
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. 
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. 
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. 
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. 
The Angle Between Planes  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to find the angle between two planes.