We can calculate the wavelength of sound waves that we can hear using the formula wavelength = velocity / frequency. In air sound travels at about 340 meters per second (the precise value depends on temperature, humidity, and pressure).
The average salary for certified nursing assistant jobs in Raleigh, NC is $37,000. Average certified nursing assistant salaries can vary greatly due to company, location, industry, experience and benefits.
Some of these things the CNA is able to control, such as the experience that he or she has and the place where he or she works. Some things, such as the set salary a business will pay to a CNA, are out of the CNA's control. For a CNA in Texas, the average salary ranges from around $20,000 to $24,000 a year. For many Texas CNAs, this is a comfortable salary.