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A 4.0 Hz wave with an amplitude of 12 cm and a wavelength of 30.0 cm travels along a stretched horizontal string.
(a) How far does a given peak on the wave travel in a time interval of 6.0 s?
? m
(b) How far does a knot on the string travel in the same time interval?
? m

once again...lost my book :(

• physics help 2 please! -

Well, you have to get another book. I have no intention of working all your homework questions this semester.

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