In a ripple tank, a straight dipper vibrates at a frequency of 8.0 Hz. A wavefront takes 2.5 s to travel 60 cm across the tank.
What is the wavelength of the ripples?
1.9 m1.9\ \mathrm{m}1.9 m
33 m33\ \mathrm{m}33 m
0.030 m0.030\ \mathrm{m}0.030 m
3.0 m3.0\ \mathrm{m}3.0 m