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.
CNA Salary Outlook. Full time CNAs typically earn between $16,000 to $31,000, and have a median income of approximately $24,000 cites the Department of Labor. There are several contributing factors that play a role in how much you can earn as a CNA.ull time CNAs typically earn between $16,000 to $31,000, and have a median income of approximately $24,000 cites the Department of Labor. There are several contributing factors that play a role in how much you can earn as a CNA.