Lab 6 - Oscillations

# Lab 6 - Oscillations - Physics 7A Oscillations lab, v.5.0...

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Physics 7A Oscillations lab, v.5.0 p. 1 Name ________________________ Partner(s) ____________________ Lab Day/Time ________ LAB 6: OSCILLATIONS Introduction Because simple harmonic motion involves so much mathematics, it’s easy to lose sight of the fundamental physics . This lab focuses on the most important conceptual aspects of oscillatory motion, without getting bogged down in the equations. How does period depend on amplitude? In this experiment you’ll see how the amplitude (size) of oscillation affects the period. The period, denoted by T , is the time needed to complete one full oscillation. 1. Prediction: How would you expect the period to depend on the amplitude of the oscillation? Even if you’re sure of the answer, briefly explain your reasoning. To test your prediction, displace the cart a small distance from equilibrium, and release it. Using the a stopwach, determine the period. For better accuracy, time how long the cart takes to complete 5 oscillations, and then calculate the corresponding period of a single oscillation. There is more room to take data and complete your calculations on the next page.

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Physics 7A Oscillations lab, v.5.0 p. 2 Now increase the amplitude by giving the cart a larger initial displacement. Determine the new period of oscillation.
Physics 7A Oscillations lab, v.5.0 p. 3 2. This question should help make the preceding experiment more understandable. (a) In which case, the small-amplitude oscillations or the large-amplitude oscillations, does the cart have a larger average speed? Answer using conceptual reasoning and using conservation of energy. (b)

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## This note was uploaded on 11/19/2010 for the course LECTURE 1 taught by Professor Yildiz during the Spring '10 term at Berkeley.

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Lab 6 - Oscillations - Physics 7A Oscillations lab, v.5.0...

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