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.
CNA Training Program. According to data analyzed from salary âdotâ com, the âaverageâ median salary or pay of a CNA in Kansas in 2013 was $27,878 per year (or $13.94 per hour).