Figure 142 the Figure Shows a Wave in a Rope

question 20

Multiple Choice

Figure 14.2 The figure shows a wave in a rope with two points labelled A and B.
-A harmonic wave travelling along the x-axis is described by the equation y(x, t) = (4 cm) sin[(0.5 cm) x - (1.05 s^-1) t) ]. What is the wavelength of the wave?

• A)0.5 cm
• B)1.05 cm
• C)4.0 cm
• D)12.6 cm

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