Lect02

# Lect02 - PHYS 172 Modern Mechanics Fall 2009 Lecture 2...

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Fall 2009 PHYS 172: Modern Mechanics Lecture 2 - Momentum & Relativity Read: 1.5-1.11

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Agenda for today: • Clicker questions • Review of syllabus points • Interactions • 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 r i =< 5,0,0 > m r r f =< 0,5,0 > m . r r f ! r r i ? A. 5 m B. 10 m C. (50) 1/2 m D. <-5,5,0>m E. 5<-1,1,0>

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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. Syllabus & General Information:
820 TOTAL 5 45 Recitation quizzes and worksheets 9 75 Clicker questions 12 100 Homework (WebAssign) 12 100 Labs 24 200 Final Exam 37% 300 Evening Exams (3)

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## This note was uploaded on 10/26/2009 for the course CHM 111 taught by Professor Staff during the Spring '08 term at Purdue.

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Lect02 - PHYS 172 Modern Mechanics Fall 2009 Lecture 2...

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