Waveform Analysis Set B

For waveform 2 and 4 answer these questions (show all your work) on a separate sheet of paper:

1. What is the wave length ?
2. How many waves are shown on the graph?
3. What is the positive wave amplitude?
4. What is the negative wave amplitude?
5. If the wave velocity is 11.2 m/s, what is the frequency ?
6. What is the period ?