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.
Certified Nurse Assistant (CNA) Salary. The average pay for a Certified Nurse Assistant (CNA) is $11.10 per hour. Skills that are associated with high pay for this job are Telemetry and Intensive Care Unit (ICU). Pay for this job does not change much by experience, with the most experienced earning only a bit more than the least. People in this job generally don't have more than 20 years' experience. $14,751 - $37,168.