It takes the time for the wave to travel 6.0 m in the x-direction of 8s.
What is the wavelength?
A wave's wavelength is measured in meters since it is the separation between its two peaks (or troughs). Since waves can be any size or shape, the prefix for meters can vary significantly, from km for radio waves to micrometers for visible light (although it is sometimes stated in nanometers) to picometers for gamma rays..
According to the information:
the wavelength is 1.5 m.
λ/2 = 1 s
1.5/2 =1 s
0.75 m in 1 s is travelled by the wave.
To travel 6m , the time required is
= 6/0.75
=8s
Thus,
it takes the time for the wave to travel 6.0 m in the x-direction is 8s.
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