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 Nursing Assistant salary by state. Depending on which state you work in, your actual salary could be $31,000 (in Idaho) or $58,000 (in DC) or anywhere in-between. Thus, if you are mobile with a desire to move, you stand a greater chance of increasing your salary as a CNA by simply moving to a different state.