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Physics 212

Physics 212. College Physics II. Introduction. Instructor: Larry Watson Office: 105 Witmer Phone: 777-3525 e-mail: larry_watson@und.nodak.edu web: und.nodak.edu/instruct/lwatson/212. Textbook. “Physics” by Cutnell and Johnson, fifth edition Lab Text

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Physics 212

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  1. Physics 212 College Physics II

  2. Introduction • Instructor: Larry Watson • Office: 105 Witmer • Phone: 777-3525 • e-mail: larry_watson@und.nodak.edu • web: und.nodak.edu/instruct/lwatson/212

  3. Textbook • “Physics” • by Cutnell and Johnson, fifth edition • Lab Text • “Introductory Physics Laboratory Manual”

  4. Labs • 212 labs are on Mondays and Tuesdays beginning Jan 27 (Next week) • Attendance is mandatory! • You must complete all labs to pass the course! • 15% of course grade • No labs Jan 20-24 (Monday holiday)

  5. Homework • Assigned daily • Collected randomly, beginning of class • Two late assignments accepted by 5 p.m. same day • Two lowest scores dropped • 25% of course grade

  6. Exams • Four two-hour evening exams (5-7 Thursdays) • Two hour final • Final is on Tuesday, May 13, 10:15 a.m. Please make travel plans accordingly as I CANNOT change this date or give early finals! • Questions are “explain your reasoning” type

  7. Exams • No multiple choice • Explain your reasoning-show your work • Correct numerical answers not the most important thing • Quality thinking is important

  8. Grading • Grading Scale: 90 or above = A 80 or above = B 70 or above = C 60 or above = D The lower cutoff may be lowered, if necessary, but never raised.

  9. Lecture • Active participation by YOU! • Practice problems • Life threatening demonstrations! • I prefer discussion so: • ask questions • make comments… • Take notes?

  10. Study Ideas • Start HW the day it is assigned! (I will take questions the next class day.) • Study some each night. • Work in groups.

  11. Doing Homework • Do something even if you think it’s the wrong thing--use hindsight to evaluate your work. • Don’t try to write your final solution on the first try, use scratch paper. • Draw a diagram or picture. • Write large. • Neatness counts!

  12. Web Site • Lectures (power point) • Homework (from text or in word format) • Practice problems • Old exams • Caution: Printing lectures can be time and paper intensive. You can print up to 6 slides per page.

  13. Content • Waves • sound, light, interference • Optics • refraction, reflection, lenses, mirrors, images • Electricity and Magnetism • charge, force, E fields, circuits, resistance, capacitance, B fields, induction • Other topics? • fluids, nuclear, quantum, thermodynamics

  14. Things to think about: Consider a traveling wave: sound, light, football stadium, water... How would you define a “wavelength?” How would you define a “frequency?” How would you define a “wave velocity?” How does the direction of the wave’s motion compare to the direction of the individual particle’s motion? What happens when two waves run into each other?

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