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# review3 - Physics 2020 Exam 3 Review Questions Dr...

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Physics 2020 Exam 3 Review Questions Dr. Luttermoser’s Class 1. What is Hooke’s Law? How is this related to simple harmonic motion? How does energy change with a simple harmonic oscillator (SHO)? 2. When does a pendulum behave like a SHO? What is the period of such a pendulum? 3. What is the difference between a transverse wave and a longitudinal wave? 4. Review the summary of Chapter 13 in the textbook and learn the definition of all boldface terms in this chapter. 5. Review Examples VII-1 (Serway & Vuille Textbook Problem: SV 13.4, Hooke’s law), VII-2 (SV 13.18, oscillators), VII-4 (SV 13.54, string vibrations) in the class notes. Make sure you understand CAPA Problems 3.1 (Hooke’s law), 3.2 (pendulums), and 3.3 (wave motion). Finally, make sure you understand how to do the Supplemental Homework Problem Set 3: 2 (SV 13.19, Hooke’s law and energy), 3 (pendulums), and 4 (13.57, string vibrations). 6. What are the 3 regimes of sound waves? How does the speed of sound in air change with temperature? 7. What is sound intensity? What is the difference between the threshold of hearing and the threshold of pain? What is a decibel? 8. Describe the Doppler Effect. What is a shock wave and how is it related to the Mach number?

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