Lecture 2

# Lecture 2 - PHYS 172 Modern Mechanics Fall 2007 Agenda for...

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1 Fall 2007 PHYS 172: Modern Mechanics Lecture 2 - Momentum & Relativity Read: 1.5-1.11 Agenda for today: • Clicker quiz on reading assignment • Review of syllabus, bonus points, etc. • Vectors: position, displacement, velocity…. • Momentum • A word about Relativity Clicker question 1 : An object is initially at position and later has moved to position What was the object’s displacement, ! r i =< 5,0,0 > m ! r f =< 0,5,0 > m . ! r f ! ! r i ? A. 5 m B. 10 m C. (50) 1/2 m D. <-5,5,0>m E. 5<-1,1,0> This is a 4 credit hour course. The rule of thumb at this University is that you should spend twice as many hours (on average) studying for this course outside of class as you do in class. That is, eight hours a week spent reading, doing the homework, recitation, and laboratory assignments, and studying for the quizzes and exams would be a typical investment of time for most students in this course.

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Lecture 2 - PHYS 172 Modern Mechanics Fall 2007 Agenda for...

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