contestada

If 3 ocean waves travel past the end of the pier in 9 seconds and the wavelength of the ocean waves are 15 m long, what is the speed of the ocean wave?

Respuesta :

Explanation:

[tex]period = \frac{3}{9} \\ f = \frac{9}{3} = 3 \: hertz \\ v = f \lambda \\ v = 3 \times 15 \\ v = 45 \: ms {}^{ - 1} [/tex]