Period equation, T=I/f, what does I mean

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The discussion centers around the formula for the period of a pendulum's swing, T=I/f, where T represents the period and f denotes frequency. The variable I is clarified to be the number one, leading to the simplified equation T=1/f. This equation can also be expressed as f=1/T, illustrating that frequency is the number of periods that occur within one second. Understanding this relationship is crucial for grasping the concepts of oscillatory motion.

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I am doing a home project for my Physical science concepts class. i need to find the period of a pendulum's swing. the prof. gave us the formula, T=I/f and tells us that T is the period, and f is the frequency of the swing, but doesn't say what I is. Does anyone know?
 
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"I" is really "1", i.e. the number one.

T = 1/f​
 
Thank you. :-)
 
It's important to understand equations intuitively. T=1/f can be rewritten as f=1/T. 1/T is the number of periods that can fit within 1 second of time. By definition, that's the frequency.
 

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