Lecture_2_(Student_Handout)

Lecture_2_(Student_Handout) - PHYS 172: Modern Mechanics...

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1 Summer 2009 PHYS 172: Modern Mechanics Lecture 2 – Velocity and Momentum Read: 1.6-1.9 Reading Question 1
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2 Reading Question 2
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3 Bonus Point Opportunity The FCI assessment must be completed promptly for bonus points (both pre and post test). Position Vectors Continued Today: Velocity and Momentum Momentum Velocity Vector Subtraction Relative Position Vectors
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4 A vector is defined by In three dimensions and Cartesian coordinates: Last Time - Vectors CLICKER QUESTION #1 & 2
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5 Vector Subtraction A B A B What is ? A B ? A B B A A B A B In this way we can use our tip-to-tail vector addition to perform vector subtraction. Vector Subtraction B A B A B A A useful observation: if you put A and B tail to tail , then A – B always points from the head of B toward the head of A. A B B A A B     A B B A     You can also verify this by noting that
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This note was uploaded on 09/14/2009 for the course ENGR 126 taught by Professor Oakes during the Fall '08 term at Purdue University-West Lafayette.

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Lecture_2_(Student_Handout) - PHYS 172: Modern Mechanics...

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