Explanation Write the expression for time period of the physical pendulum. T = 2 π ω (I) Here, T is the time period, ω is the angular frequency. Write the expression for the angular frequency for small amplitude. ω = l c m m g I s (II) Here, l c m is the length of center of mass, m is the mass, I s is the moment of inertia. Conclusion: Substitute, l c m m g I s for ω in equation (I) to find T

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Chapter 13, Problem 55P

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The expression for the time period of the physical pendulum for small amplitude approximation.

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Chapter 13, Problem 54P

Chapter 13, Problem 56P

Chapter 13 Solutions

EBK ESSENTIAL UNIVERSITY PHYSICS, VOLUM

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