A wave $y = A\sin(kx - \omega t)$ has $k = 4.0$ rad/m and $\omega = 60$ rad/s. This code finds the first crest at t = 0.07 s. What does it print, in m? import numpy as np; k, w, t = 4.0, 60.0, 0.07; print(round((np.pi / 2 + w * t) / k, 2))