Question
Wave function
You are observing a wave traveling along the x-axis. The first picture (y vs. x) shows a snapshot of the wave at t=0. The second picture dy vs. t) shows how the wave height varies in time from the perspective of an observer standing at fixed location x-0. From this information, determine if the wave is traveling to the left or right. Give a one-sentence explanation justifying your answer 2) 3) The wave function for a harmonic (i.e., sinusoidal) wave on a string is y(x,t)-(0.001 m)sin(62.8 m x +314s ) (a) In what direction does this wave travel, and what is its speed? (b) Find the wavelength, frequency, and period of this wave. (c) What is the maximum speed of any string segment? (Remember, the speed of a moving point in the string is not the same as the speed of propagation of the wave.) Answer: (a) 5m/s, (b) 0.1m, 50Hz, 0.02s, (c) 0.314m/s
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