lecture 2

# lecture 2 - Physics 110 Developments in Modern Physics...

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Physics 110 Developments in Modern Physics Contact Information Class homepage on classes*v2 server –or– go directly to: http://star.physics.yale.edu/~harris/physics_110/ Professor Harris’ contact info - John Harris (203) 432-6106 [email protected] Teaching assistants - Christine Nattrass – [email protected] Matt Phillips – [email protected]

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Announcements Pick up: Electronic Polling Devices (at Bass Library Desk) Homework assignment Problem Set 1 due Wednesday Jan. 23 For those not in class on Monday Pickup syllabus Questions on any points of syllabus or class concept? Optional discussion session (Tuesdays, starts next week)
Which song would you like to hear? a. W al k i nt o t . b. Col d – Cr o ... c. D ani Cal for n d. A l ve Pe a e. V er go U 2 13% 3% 18% 24% 42% Test - Music Selection a. Walk into the Sun – Dirty Vegas b. Cold – Crossfade c. Dani California – Red Hot Chili Peppers d. Alive – Pearl Jam e. Vertigo – U2

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Today’s Lesson Scientific Method (from Chapter 1) Describing Motion (Chapter 2) 1-dimensional motion Vectors Graphing motion Speed, velocity, acceleration
: (method effective at gaining, organizing and applying knowledge) 1. Observation “or recognize a problem” 2. Develop hypothesis “make educated guess” [a scientific hypothesis must be testable!] 3. Predict consequences of hypothesis 4. Test hypothesis with experiments 5. Form general rule that organizes - hypothesis, prediction, outcome into a theory Scientific method is a guide, but sometimes - trial and error! Advances in science…. (an example follows) observation - what do you see? generalization /discussion hypothesis - how do you explain this? theory

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## This note was uploaded on 04/07/2008 for the course PHYS 110 taught by Professor Johnharris during the Spring '08 term at Yale.

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lecture 2 - Physics 110 Developments in Modern Physics...

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