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

Rain is pulled by gravity which is a non contact force

There is no graph to look at on here, but i shall explain them to you. a line graph is just in its title it’s a graph with a line running through the dots to show an increase or decrease. a bar graph is used to show how much or how little something is so a comparison. a scatter plot is used to graph points to tell the data. and i don’t know what a histogram is.