lab questions topic standing waves in a string

or Home or Lab 1. Stringed musical instruments produce musical sounds with stretched strings. Explain and support your answers with the appropriate formulas... (Use separate sheet) a) how the tension of the strings can be used to raise or lower the pitch when tuning the instrument. b) why the strings of lower frequencies are thicker or heavier. c) why the notes of higher or lower pitch can be produced by placing fingers on the strings to effectively change their length. 2. Using the formula v - T/u , calculate the speed of the wave in the string.(in m/s) using your results of Investigation A. 3. Using the formula v = f2. calculate the speed of the wave in the string . (in m/s) Extra Credit: Show that VT/u has the units of velocity