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The wave function y(x, t) for a certain standing wave on a string fixed at both ends is given by y(x, t) = 3.70 sin (0.220x) cos (270t),where y and x are in centimeters and t is in seconds.
(a) What is the wavelength of this wave?
cm
(b) What is the frequency of this wave?
Hz
(c) What is the speed of transverse waves on this string?
m/s
(d) If the string is vibrating in its fourth harmonic, how long is it?
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