Show that if the displacement of the string in Fig. 2.12 is given by
y(x, t) = A sin [kx - ωt + ε]

then the hand generating the wave must be moving vertically in simple harmonic motion.

Fig. 2.12

Transcribed Image Text:

t = 0 .t.. t=7/4 t=7/2 t = 37/4 ... t= T ɛ = 0