The wavefunction for a wave on a taut string of linear mass density μ = 40 g/m is given by: y(x,t) = 0.25 sin⁡(5πt - πx + φ), where x and y are in meters and t is in seconds. The energy associated with three wavelengths on the wire is:
E = 3.70 J
E = 2.47 J
E = 1.85 J
E = 3.08 J
E = 1.23 J