Lecture10Notes

Lecture10Notes - Physics 121. Thursday, February 21, 2008....

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1 Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Physics 121. Thursday, February 21, 2008. Conservation of energy! Changing kinetic energy into thermal energy. Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Physics 121. Thursday, February 21, 2008. Topics: Course information Quiz Review of the concept of work and kinetic energy. Conservation laws: why do we care? Conservative and non-conservative forces. Potential energy. Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Course information. Homework assignments. Homework set # 4 is due on February 23 at 8.30 am. There will be no homework set due on Saturday March 1. Homework set # 5 will be available on the WEB on Thursday morning, February 28, at 8.30 am.
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2 Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Course information. Exam # 1. On Thursday February 28 between 8 am and 9.30 am the ±rst midterm exam of Physics 121 will be held. The material covered on the exam is the material covered in Chapters 1 - 6 of our text book. The location of the exam is Hubbell auditorium. There will be a normal lecture after the exam (at 9.40 am in Hoyt). A few remarks about the exam: You will be provided with an equation sheet with all important equations used in Chapter 1 - 6. There will be no numerical questions on the exams. All problems must be solved in terms of the variables provided. No calculators required. Practice exams are provided on the WEB. Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Course information. Exam # 1. During workshops on Monday 2/25, Tuesday 2/26, and Wednesday 2/27, the focus will be exam # 1. You can attend any (or all) workshops on these days. Bring your questions! There will be no workshops and of±ce hours on Thursday 2/28 and Friday 2/29. There will be extra of±ce hours on Wednesday 2/27. take place on Tuesday evening 2/26. Time and place will be announced via email. You will receive the exam back during workshop during the week of March 3. The TAs will not see the exam until you see it. Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Physics 121. Quiz lecture 10. The quiz today will have 3 questions.
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3 Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester A quick review. Work and energy.
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Lecture10Notes - Physics 121. Thursday, February 21, 2008....

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