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.
Dental Assistant Salaries by Area. According to the Bureau of Labor Statistics, Dental Assistants in the state of North Carolina can expect to earn an average of $38,720 annually or $18.62 per hour. There were 8,910 people employed in the state. Job openings are concentrated in larger cities of Charlotte, Raleigh, Winston Salem and Greensboro.