Question: (1). Formulate an appropriate boundary condition, to replace Eq. 9.27, for the case of two strings under tension T joined by a knot of mass

(1). Formulate an appropriate boundary condition, to replace Eq. 9.27, for the case of two strings under tension T joined by a knot of mass m.

(2). Find the amplitude and phase of the reflected and transmitted waves for the case where the knot has a mass m and the second string is mass less.

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