Una cuerda de piano produce una nota "do" medio vibrando primordialmente a 350 Hz. Calcule su periodo y su velocidad si se sabe que posee una longitu de onda de 3.5m. Calcule el periodo de una soprano que canta un la una octava más arriba, que tiene el doble de la frecuencia de la cuerda de piano

The government has declared that a hurricane is likely to hit the east coast. which government division is part of acf and provides guidance to citizens? a. job opportunities for low-income individuals b. office of human services emergency preparedness and response c. assets for independence d. low-income home energy assistance program