Answer:
Step-by-step explanation:
the difference from peek to peek
23-3=20
answer=20
The period of the wave is 20 units of the x-variable.
The period of a wave is the time taken to complete a cycle of motion of the wave.
In the figure, the graduations of the x-axis, which is the usually time axis = 1 unit
At the origin, (0, 0), the vertical displacement of the wave is zero.
The maximum value of the wave function is between x = 0 and x = 1.
The minimum value of the wave function is between x = 1 and x = 20.
At the point (20, 0) the value of the wave function is again zero, and a cycle of the wave is completed.
Hence, the period of the wave is 20 units of the x-variable.
Learn more about period;
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