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A rope is attached to a doorknob on one end. If a girl holding the other end raises and lowers her hand with a frequency of 2 Hz creating a wave with a wavelength of 0.25 m, how fast does the wave travel
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A rope is attached to a doorknob on one end. If a girl holding the other end raises and lowers her hand with a frequency of 2 Hz creating a wave with a wavelength of 0.25 m, how fast does the wave travel down the rope?

User Scott Stanchfield
by
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1 Answer

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speed = frequency x wavelenght
speed = 2 x 0.25
speed = 0.5ms⁻¹
User Szymon Toda
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