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.
North Carolina employed 88,350 RNs in the year 2013.The hourly and yearly mean salary of a registered nurse in North Carolina was $28.51 and $59,290, respectively, as per the information provided by the Bureau of Labor Statistics. Employment per thousand jobs in the state was 22.385. The annual RN salary in NC was $63,000 that is 5 percent lower than the average RN salary for job postings all over the nation. In order to practice nursing in the state, it is mandatory for an aspirant to own a license.