7B-W11-Lecture 5

7B-W11-Lecture 5 - Physics 7B Sections A, B, C & D...

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Physics 7B Sections A, B, C & D Professor Lawrence B. Coleman 1 Lecture 5 – Vectors, Forces and Momentum Physics 7B Winter 2011 - Lecture 5 Quote of the Week: “ Everyone knows rockets won’t travel in space because there is nothing to push against.” -- The New York Times in an editorial about Robert Goddard and his rockets
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Physics 7B Winter 2011 - Lecture 5 2 Quiz Today At 8:30 AM & 9AM Announcements
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Physics 7B Winter 2011 - Lecture 5 3 1, 2, 3, 4.75, 3.14159 …. Scalars - Magnitude + units Pressure, Temperature, Mass, speed, internal energy, density ……. Vectors – magnitude + Units + Direction Force, position, velocity, momentum, acceleration ……. ( 2D or 3 D) Tensors – magnitude that depends on direction Numbers
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Physics 7B Winter 2011 - Lecture 5 4 Position Davis to San Francisco Velocity vs. Speed Notation A vs A Vectors
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Physics 7B Winter 2011 - Lecture 5 5 Cartesian – X, Y, Z Polar – R, Θ , Φ A = X,Y, Z = R, Θ , Φ Unit vectors Coordinate Systems
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7B-W11-Lecture 5 - Physics 7B Sections A, B, C & D...

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