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.
View average CNA salary in North Carolina and compare CNA salaries in different states â¦ Read More. CNA 2 Salary In Charlotte Nc | CNA Classes Board. Pay Rate For Charlotte, NC / South Carolina CNA's | Allnurses Pay rate for Charlotte, NC/South Carolina CNA's Sign In Register Now! 0. Aug 11, '10 by MedicalQueen.