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    I don't know how to do it. It's a simple question but I have no idea I wasn't in for the lesson can someone help me?

    - a water wave has a wavelength of 2m. If you see 1 wave every second, what speed must they be travelling at?
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    Use the formula velocity=frequency×wavelength

    Frequency is how many waves in a second(in this case it is 1)
    Wavelength is given as 2

    So multiplying both of them gives 2m/s

    Thats all I can get from this.

    By the way how old are you?
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    (Original post by workaholic.ok)
    I don't know how to do it. It's a simple question but I have no idea I wasn't in for the lesson can someone help me?

    - a water wave has a wavelength of 2m. If you see 1 wave every second, what speed must they be travelling at?
    Hi, I've moved your question to physics study help
 
 
 
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