Module 26  Vectors 
Introduction  Lesson 1  Lesson 2  Lesson 3  SelfTest 
Introduction 
Many quantities, such as speed, mass, length, and time, can be described completely by their magnitudes. However, both a magnitude and a direction are required to describe quantities like velocity, force, and displacement. To completely describe the velocity of a moving object, you need not only the object's speed, but also its direction. Quantities that are described by both magnitude and direction are called vectors. In this module you will manipulate vectors and use the TI83 to visualize vectorvalued functions and model projectile motion. Lesson Index: 26.1  Vector Arithmetic 26.2  Vector Functions 26.3  Projectile Motion After completing this module, you should be able to do the following:

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