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.
According to Nurse Groups, the average salary for a CNA in North Carolina is $23,450, although some CNAs in the state may make as much as $30,000. The average salary in North Carolina is less than the national average, which is around $27,000.o become a CNA in the state of North Carolina, you will want to find excellent CNA courses that can help you to achieve the skills you need. In North Carolina, you can find classes accredited by the North Carolina Department of Public Instruction. Programs for CNAs generally run between 6 to 12 weeks in length.