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.
North Carolina Nursing Salary Average. 1  Licensed Nursing Assistant: $22,860. 2  Licensed Practice Nurse: $41,570. 3  Registered Nurse: $59,290. 4  Advanced Practice Registered Nurse: >$80,000*. *The Salary of an advanced practice nurse in North Carolina can vary widely based upon specialization.