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.
(United States). The average rate for a Certified Nurse Assistant (CNA) in Raleigh, North Carolina is $10.97 per hour. The skills that increase pay for this job the most are Emergency Room (ER) and Acute Care. Most people with this job move on to other positions after 20 years in this career. $8.69 - $13.90.