Compute all parts of given problem:
Problem: A standing wave of the third overtone is induced in a stopped pipe 1.2 m long. The speed of sound is 340 m/s.
Part A: Sketch a diagram showing nodes and antinodes.
Part B: How many antinodes are in the standing wave pattern?
Part C: What is the frequency of sound produced in the pipe?
Please show all work and steps I am really trying to learn this for my test.