Concept explainers
Calculate the speed of waves in a puddle that are 0.15 m apart and made by tapping the water surface twice each second.
To calculate: The speed of waves in a puddle with a given wavelength and frequency.
Answer to Problem 28A
The speed of waves in the puddle is
Explanation of Solution
Given:
The waves in a puddle are 0.15 m apart and they move with a frequency of 2 times per second.
Formula used:
The wavelength of any wave is a function of its frequency f and velocity v , which can be expressed mathematically as
From this, the speed of the waves can be deduced as,
Calculation:
Here, waves in the puddle is having wavelength of 0.15 m and the frequency of motion is 2 /s.
Substituting these parameters in (1), the speed of waves is obtained as,
Chapter 25 Solutions
Conceptual Physics: The High School Physics Program
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