Question: A 2.51-m-long string has the wave function given in Problem 46. (a) Sketch the position of the string at the times t = 0, t

A 2.51-m-long string has the wave function given in Problem 46.

(a) Sketch the position of the string at the times t = 0, t = ¼ T, t = ½ T, and t = ¾ T, where T = 1/f is the period of the vibration.

(b) Find T in seconds.

(c) At a time t when the string is horizontal, that is, y(x) = 0 for all x, what has become of the energy in the wave?

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