The diagrams show the displacement–distance graph for a wave and the displacement–time graph for a point in the wave.
Which is correct for this wave?
6.0 m6.0\text{ m}6.0 m
4 m4\text{ m}4 m
7.5 m s−17.5\text{ m s}^{-1}7.5 m s−1
4.0 Hz4.0\text{ Hz}4.0 Hz