Lecture 3

Lecture 3 - Last Lecture Physics 231 General University Physics Spring 2007 Lecture 3 Conversion of units Order of magnitude Significant figures

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Physics 231 General University Physics Spring 2007 Lecture 3 Last Lecture ± Conversion of units ± Order of magnitude ± Significant figures, rounding Today ± One dimensional motion ² Position, displacement ² Average velocity, speed ² Instantaneous velocity ² Acceleration Practice clickers ± Go 55 Go ± Green light should be on. ± Read and think about the quiz. ± Talk to other students around you. ± Enter your answer and check if your answer is registered in the response system. ± Glass hour to count down ( 10 sec). ± You can change your answer before the count down is over. What is your favorite color? 10 12345 Blue P ink R ed Green 0% 0% 0% 1. Blue 2. Pink 3. Red 4. Green Where do you live? 10 Lexington Loui s vile Covington area Othe r par ts o f K Y Other stat es 0% 0% 0% 0% 0% 1. Lexington 2. Louisville 3. Covington area 4. Other parts of KY 5. Other states
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How large is a trillion? 12345 Ten bilion Ten mil ion On e h undred b ilion One th ousan d il 0% 0% 0% 0% 1. Ten billion 2. Ten million 3. One hundred billion 4. One thousand billion 10 Kinematics ± Describes motion while ignoring the agents that caused the motion ± For now, will consider motion in one dimension ± Along a straight line ± Will use the particle model ± A particle is a point-like object, has mass but infinitesimal size ± Ignore internal structure Position versus Time ±
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This note was uploaded on 11/16/2010 for the course PHY 231 taught by Professor Ellis during the Spring '08 term at Kentucky.

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Lecture 3 - Last Lecture Physics 231 General University Physics Spring 2007 Lecture 3 Conversion of units Order of magnitude Significant figures

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