The drawing shows a graph that represents a transverse wave on a string. The wav

Question

The drawing shows a graph that represents a transverse wave on a string. The wave is moving in the +x direction with a speed of 0.15 m/s. Using the information contained in the graph, write the mathematical expression similar to the equation below for the wave. (Use the following as necessary: x and t. Do not include units in your answer.)

For research purposes a sonic buoy is tethered to the ocean floor and emits an infrasonic pulse of sound (speed = 1522 m/s). The period of this sound is 55 ms. Determine the wavelength of the sound.         ______________________m

Explanation / Answer

The graph is not given in the question.Only the information required for finding the wavelength is given.So wavelength is determined as follows

Period=55ms=0.055 s

Frequency=1/Period

=1/0.055

=18.18 Hz

Wavelength= Velocity/Frequency

=1522/18.18

=83.72 meters

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