One string of a certain musical instrument is 76 centimeter long and has a mass of 8.75 gram. It is being played in a room where the speed of sound is 344 meter per second.
A) Find to what tension must you adjust the string therefore that, when vibrating in its second overtone, it produces sound of wavelength 3.35 cm?
B) Find what frequency sound does this string produce in its fundamental mode of vibration?