Respuesta :

Wavelength = 12mm = 0.012 meter
Frequency = f = 6 Hz
Speed = v = ?

Speed of a wave is the product of its wavelength of Frequence.

So,

Speed = Frequency x Wavelength

v = 6 x 0.012 = 0.072 m/s

Thus, the speed of the wave will be 0.072 meter per second