Final Review - 171.101 General Physics Lecture #26 #26...

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171.101 General Physics Lecture #26
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Final Exam aturday 11 f December 9 oon Saturday 11 th of December, 9-noon 1. 274 Bloomberg 78 loomberg 2. 278 Bloomberg 3. 272 Bloomberg 4. 109 Maryland 68 loomberg 5. 168 Bloomberg 6. 209 ROTC Bldg 7. 304 Shaffer 76 loomberg 8. 176 Bloomberg 9. 186 Gilman 10. 303 Shaffer 1 00 haffer 11. 300 Shaffer 12. 114 Barton 13. 117 Barton 4 02 haffer 14. 302 Shaffer 15. 100 Shaffer
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Review sessions for final exam You will solve problems from a new test exam groups in groups The head TA, the Professor, and several other As will circulate to help you along TAs will circulate to help you along Sunday 12/5 from 6 pm-8 pm Wednesday 12/8 from 6 pm-8 pm Rooms to be posted Collin Broholm also available for office hours in room 345 Tuesday 12/7 3-5
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Come to conference Friday 12/3! Very important: Course evaluations uring the Friday conference during the Friday conference Your input is valued and taken seriously Please tell your friends to come! Your TA will give his/her summary nd final tips with emphasis on and final tips with emphasis on waves
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Intensity, interference & Doppler effect Structural information from interference Constructive interference Destructive sin nd   1 2 sin  Doppler effect for sound: d s vv ff Speeds relative to the air/lab frame Upper sign: approaching Lower sign: receding Supersonic shock wave angle v sin s v 
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X-ray Laue Diffraction from Crystal
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Neutron Powder diffraction SrCr2O4 20 K Hist 2 Bank 2 2-Theta 85 0 L-S cycle 66 Obsd and Diff Profiles Bank 2, 2 Theta 85.0, LS cycle 66 Obsd. and Diff. Profiles X10u 2 .0 4.0 2.0 3. s/gmsec. 0.0 1.0 TOF, msec Count s 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0
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Protein Structures: From X-ray terference (diffraction) interference (diffraction) Advanced Photon Source Chicago, IL Wisniewska, M. et al. (2009)
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Shorter wave length higher frequency v s vf Longer wave length lower frequency
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Kinematics of 1 dimensional motion  x t Motion along a line can be described by To characterize , we extract from it   x t   x t lim xd x vt d t  Instantaneous velocity 0 t td  2 2 lim vd v d d x d x at d t d t d t     Instantaneous acceleration Three simple cases of straight line motion: 0 t  constant position: (1 constant) constant velocity: (2 constants)   0 x tx v t   0 x constant acceleration: (3 constants)   2 1 00 2 x v t a t 
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Vectors position and displacement Physical quantities with magnitude & direction are represented by “vectors.” Vector addition Commutative, associative a b c = a + b Graphical content distinct from scalar addition Vectors can be represented by their projections ˆˆ ˆ on chosen unit vectors Scalar product defined: xyz aa a  ai j k cos ab  ab xx yy zz Use these to convert between (length, direction) and coordinates Position vector: location relative to reference  
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This note was uploaded on 04/08/2012 for the course PHYSICS 101 taught by Professor Bennet during the Fall '08 term at Johns Hopkins.

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Final Review - 171.101 General Physics Lecture #26 #26...

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