Question:
The displacement of a string carrying a traveling sinusoidal wave is given by y(x, t) = ym sin(kx − ωt − φ) . At time t = 0 the point at x = 0 has a velocity of 0 and a positive displacement. The phase constant φ is: A. 45◦ B. 90◦ C. 135◦ D. 180◦ E. 270◦
Author: PhysicsAnswer:
E
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