107 Videos for "vector"

Components of a Force  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How to use the component of an object's weight parallel to the surface of an inclined plane to find the weight of the object. 
Navigation Problems  Concept
Math › Precalculus › Vectors and Parametric Equations
How we measure airspeed, wind, groundspeed, and other variables in navigation. 
Parametrizing a Line Segment  Concept
Math › Precalculus › Vectors and Parametric Equations
How to write the parametric equations of a line segment that goes from point A to point B. 
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 Resultant of Two Forces  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How to find the resultant of two forces. 
The Angle Between Planes  Problem 1
Math › Precalculus › Vectors and Parametric Equations
How to determine if two planes are parallel or perpendicular. 
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. 
The Angle Between Planes  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How to find an equation of a plane parallel to or perpendicular to a given plane. 
Perpendicular, Parallel and Skew Lines in Space  Concept
Math › Precalculus › Vectors and Parametric Equations
How to determine whether two lines in space are parallel or perpendicular. 
Motion Along a Line  Problem 3
Math › Precalculus › Vectors and Parametric Equations
How to determine whether two ants, each moving in a straight line, ever meet. 
Motion Along a Line  Concept
Math › Precalculus › Vectors and Parametric Equations
How to write equations describing motion in a straight line given the velocity and the position when t=0. 
The Angle Between Planes  Concept
Math › Precalculus › Vectors and Parametric Equations
How to find the angle between planes, and how to determine if two planes are parallel or perpendicular. 
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). 
The Angle Between Planes  Problem 2
Math › Precalculus › Vectors and Parametric Equations
How to find the angle between two planes. 
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. 
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. 
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. 
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. 
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.