Two transverse waves travel along the same taut string. Wave 1 is described by y1(x, t) = A sin(kx - ωt), while wave 2 is described by y2(x, t) = A sin(kx + ωt + φ). The phases (arguments of the sines) are in radians, as usual, and A = 2.1 cm and φ = 0.35π rad.
Choose the answer that correctly describes the waves’ directions of travel.
MultipleChoice :
1) Both waves travel in the negative x direction.
2) Due to the φ term in the phase of wave 2, it does not travel. Wave 1 travels in the negative x-direction.
3) Due to the φ term in the phase of wave 2, it does not travel. Wave 1 travels in the positive x-direction.
4) Both waves travel in the positive x-direction.
5) Wave 1 travels in the negative x-direction, while wave 2 travels in the positive x-direction.
6) Wave 1 travels in the positive x-direction, while wave 2 travels in the negative x-direction.
7) There is not enough information.
Answers: 2
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