Lecture09Notes

Lecture09Notes - Physics 121. Tuesday, February 19, 2008....

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1 Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Physics 121. Tuesday, February 19, 2008. F/A-18 Hornet breaking the sound barrier. Photo by John Gay Navy Lt. Ron Candiloro's F/A-18 Hornet creates a shock wave as he breaks the sound barrier July 7. The shock wave is visible as a large cloud of condensation formed by the cooling of the air. A smaller shock wave can be seen forming on top of the canopy. It is possible for a skilled pilot to work the plane's throttle to move the shock wave forward or aft. Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Physics 121. Tuesday, February 19, 2008. Topics: Course announcements Quiz Work and Energy: Definition Work done by a Variable Force Kinetic Energy Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Physics 121. Course announcements. On Thursday February 28 between 8 am and 9.30 am the first 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.
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2 Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Physics 121. Course announcements. Homework set # 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. The most effective way to work on the assignments is to tackle 1 or 2 problems a day. If you run into problems, please contact me and I will try to help you solve your problems (Physics 121 problems that is). Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Physics 121. Quiz lecture 9. The quiz today will have 3 questions. Frank L. H. Wolfs Department of Physics and Astronomy, University of Rochester Work and energy.
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Lecture09Notes - Physics 121. Tuesday, February 19, 2008....

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