## Conceptual Physics (12th Edition)

Published by Addison-Wesley

# Chapter 19 - Reading Check Questions (Comprehension) - Page 369-370: 8

#### Answer

Frequency is the reciprocal of period, and period is the reciprocal of frequency. $$frequency = \frac{1}{period}$$ $$period = \frac{1}{frequency}$$

#### Work Step by Step

This makes sense. For example, if a guitar string vibrates at a frequency of 440 Hz, which is 440 times per second, it takes 1/440 of a second to complete one cycle. This is discussed on page 359.

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