Olympic swimmers can swim at a speed of 1.7 m/s. If an Olympic swimmer were swimming in the ocean on a day when the wavelength of the waves was 20m and the frequency was 1 Hz, would the swimmer be able to swim fast enough to avoid being lifted by a wave? Show your calculation. Would I use the formula wavespeed=wavelength times frequency? I still can't make it work out!

Answer 1

Yes, speed = distance/time = distance /T = distance * frequency
so
c = 20 * 1 = 20 m/s
which is much faster than the swimmer seems to swim.