A horizontal string of length 1.5 meters vibrates with a wave velocity of 1230 m/s at its fundamental frequency.
a. What is the fundamental frequency
b. What is the frequency of the fourth overtone, and how many nodes and antinodes will it have
c. In terms of interference, to what do the nodes and antinodes correspond
d. How many grams must the string be to have a tension of 105 newtons?