Extra Credit (2 points each) Choose the best answer. 1. A string of length L is clamped at each end and vibrates in a standing wave pattern. The wavelengths of the constituent traveling waves CANNOT be: = 21 A. L B. 2L C. L/3 D. 21/3 B. 4L/2 2. A sinusoidal wave is traveling on a string. Any point on the string: A. moves in the same direction as the wave B. moves in simple harmonic motion with a different frequency than that of the wave C. moves in simple harmonic with the same angular frequency of the wave. D. moves in uniform circular motion with a different angular speed than the wave E. moves in uniform circular motion with the same angular speed as the wave