15. [-l1.17 Points] DETAILS SERCP11 14.8.P.043. 0/20 Submissions Used MY NOTES ASK YOUR TEACHER A stretched string fixed at each end has a mass of 32.0 g and a length of 8.40 m. The tension in the string is 48.0 N. (a) Determine the positions of the nodes and antinodes for the third harmonic. (Enter your answers from smallest to largest distance from one end of the string.) UUUUg antinodes: 3 UUU 3 (b) What is the vibration frequency for this harmonic? Hz Need Help? _'_' H Submit Answer 16. [-l1.17 Points] DETAILS SERCP11 14.8.P.045. 0/20 Submissions Used MY NOTES ASK YOUR TEACHER A stretched string of length L is observed to vibrate in seven equal segments when driven by a 662-Hz oscillator. What oscillator frequency will set up a standing wave so that the string vibrates in six segments? EH2 Need Help? _