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5.1: Two-Dimensional Vectors

Difficulty Level: At Grade Created by: CK-12
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Bearing Bearing is how direction is measured at sea. North is 0^\circ, east is 90^\circ, south is 180^\circ , and west is 270^\circ.
Component notation Component notation is used to describe vectors algebraically in terms of their x, y and, if relevant, z components.
Distance Formula The distance between two points (x_1, y_1) and (x_2, y_2) can be defined as d= \sqrt{(x_2-x_1)^2 + (y_2-y_1)^2}.
force diagram A force diagram is a collection of vectors that each represent a force like gravity or wind acting on an object.
initial point The initial point of a vector is where the vector starts, also known as the tail of the vector.
Magnitude The magnitude of a line segment or vector is the length of the line segment or vector.
Pythagorean Theorem The Pythagorean Theorem is a mathematical relationship between the sides of a right triangle, given by a^2 + b^2 = c^2, where a and b are legs of the triangle and c is the hypotenuse of the triangle.
resolving The process of determining the components of a vector is known as resolving the vector.
Scalar A scalar is a value representing only magnitude or size. Scalars can expressed with a single number.
terminal point The terminal point of a vector is where the vector ends, represented by an arrow.
Vector A vector is a mathematical quantity that has both a magnitude and a direction.

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Difficulty Level:
At Grade
Date Created:
Nov 01, 2012
Last Modified:
Mar 23, 2016
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