Question: Two waves are generated on a string of length 3.0m to produce a three-loop standing wave with an amplitude of 1.0 cm. The wave speed

Two waves are generated on a string of length 3.0m to produce a three-loop standing wave with an amplitude of 1.0 cm. The wave speed is 100 m/s. Let the equation for one of the waves be of the form y(x, t) = ym sin (kx + wt).In the equation for the other wave, what are
(a) ym,
(b) k,
(c) w, and
(d) The sign in front of o?

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