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Unformatted text preview: linear combination of these two unit vectors. A vector can also be expressed as a magnitude and direction. For doing algebra with vectors, the component form is much better. For thinking about vectors geometrically, you may prefer to use magnitude and direction. Please read Sec. 3.1 and 3.2 for information on switching between component and magnitude/ direction representations of a vector. 4. Motion in 2D We find that, at least for the case of projectile motion, the x and y coordinates of a particle obey the equations for motion under constant acceleration separately. We use this in class to figure out at what angle to fire a projectile to obtain a maximum distance along the horizontal. We also go monkey hunting. You will want to ask about this if you missed class. Please read the rest of Chapter 3; it will be indispensable for the homework....
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 Spring '08
 Kaplunovsky
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