
What is the meaning of i, j, k in vectors? • Physics Forums
Nov 4, 2005 · The discussion clarifies that "i, j, k" are unit vectors representing the x, y, and z axes in vector notation, providing a standard way to express vectors without angles. The dot …
What is the Normal of a Direction Vector? • Physics Forums
Oct 21, 2009 · How may I solve for the normal of a direction vector? If, for example, the direction vector is (1,2,-2), then what is its normal.
What is r hat (^) like exactly and how do you calculate it?
Oct 20, 2014 · A unit vector is a vector in some direction whose magnitude is unity (1). If you have some other vector in the same direction, say R, which is not of unit length, then you can create …
Determining vector angle: why do we need to add 180°
May 18, 2019 · To determine the vector angle in this context, the angle θ is calculated as 56°, but to express the direction of the resultant vector R accurately, 180° must be added, resulting in …
No problem, glad it worked out in the end! • Physics Forums
Apr 12, 2013 · In which direction is the slope largest? What is the rate of ascent in that direction? At what angle above the horizontal does the path in that direction begin? (Round your answer …
Solving Vector Equations w/ A+B+C = 0 • Physics Forums
Sep 26, 2009 · The discussion focuses on solving the vector equation A + B + C = 0, where vector A points in the negative x direction, vector B is at a 30-degree angle above the x-axis, and …
Solve Vector Problems - Check My Answers Correct? - Physics …
Oct 7, 2006 · The discussion revolves around checking the correctness of vector problem answers. The first problem involves a jogger's displacement, with the user suggesting a …
Find Direction of Vector A+B: Easy Problem Solved
Aug 29, 2004 · To find the direction of Vector A + B, first calculate the resultant components by adding the x and y components of both vectors, resulting in Cx = 5.9 cm and Cy = -1.6 cm. …
Why is angular velocity perpendicular to the plane of rotation?
May 22, 2014 · A rotating object never moves in a direction perpendicular to the plane of rotation, so why does the angular velocity point in this direction? Because it is angular velocity, not …
Vector Direction (west of North) - Physics Forums
Sep 20, 2006 · A car moving 25 degrees west of north is equivalent to 65 degrees north of west. To solve the problem of the car's final direction and speed after multiple legs of travel, it is …