p140w07_ct_03 - Copyright: Loren M. Winters Racquetball...

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Physics 140: Winter 2007 Lecture #3 January 11, 2007 Dave Winn Racquetball Striking a Wall Copyright: Loren M. Winters Mt. Etna Andrew Davidhazy
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This is a map of the Rio de Janeiro Grand Prix course. If the motorcyles travel at constant speed around the track, where do they experience the largest accelerations? 1: Morette 3: Vitoria 5: Juncao 2: Molykote 4: Nonato
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Basics of 2D motion Components of net acceleration along motion speed things up Components of net acceleration opposite motion slow things down Components of net acceleration perpendicular to motion turn things a
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Projectile motion • Simple 2D motion with only one constant acceleration • Start by leaving out air friction so the only force is gravity • Gravity is constant, and always downward • It will affect only the vertical motion • Galileo provided the first accurate explanation: I propose to set forth those properties which belong to a body whose motion is compounded of two other motions, namely one uniform and one naturally accelerated….This is the kind of motion seen in a projectile….Imagine any particle projected along a horizontal plane without friction…This particle will move along this plane with a motion that is uniform and perpetual, providing the plane has no limits. But if the plane is limited and elevated, then the moving particle. ..will, on passing over the edge of the plane, acquire, in addition to its previous uniform and perpetual motion, a
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This note was uploaded on 04/04/2008 for the course PHYSICS 140 taught by Professor Evrard during the Fall '07 term at University of Michigan.

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p140w07_ct_03 - Copyright: Loren M. Winters Racquetball...

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