The harmonic wave travels along a string toward a boundary at with a second string

PHYSICS · Subjective · AP · Physics 2: Algebra-based · Waves Sound and Physical Optics · Waves Sound and Physical Optics

Problem

The harmonic wave

y_i = (2.0 \times 10^{-3}) \cos \pi(2.0x - 50t)

travels along a string toward a boundary at

x = 0

with a second string. The wave speed on the second string is 50 m/s. Write expressions for reflected and transmitted waves. Assume SI units.