Aguitar string of length 30 cm and stretched under a tension of 78 n has a certain fundamental frequency. how long would a pipe, open at both ends, need to be to play the same fundamental frequency? a 15-cm long piece of the guitar string has a mass of 0.4 g. the speed of sound in air is 340 m/s.
a. 0.6 m.
b. 1.3 m.
c. 0.95 m.
d. 1.63 m.
e. 2.7 m.