Water waves with 4 m spacing and 2 waves every 5 seconds

[knox_122]

Here is the Question.

You observe water waves coming to shoreon a large lake. You obseve that every five seconds, two more waves come in, and that the waves are seperatedby four meters.

a) What is the period of the waves?
b) What is the frequency of the waves?
c) What is the velocity of the waves?

Where do I start?

 

[hotvette]

As a start, you need to make sure you understand the meaning of the terms period, frequency, and velocity. Can you tell us what they mean and what their units of measurement are?