The displacement y of a wave travelling in the x direction is given by an expression of the form $y = \dfrac{2}{(\ldots)^2+\ldots}\sin(300t - 2x + \ldots)$, where x and y are measured in metres and t in seconds (the exact numerical constants inside the pulse-shape and phase terms are not legibly recoverable from the source scan). The speed of the wave is (a) 150 m s$^{-1}$ (b) 300 m s$^{-1}$ (c) 450 m s$^{-1}$ (d) 600 m s$^{-1}$

The displacement y of a wave travelling in the x direction is given by an expression of the form y = (2)/((…)²

I. Multiple Choice Questions · Q9

y = \dfrac{2}{(\ldots)^2+\ldots}\sin(300t - 2x + \ldots)

(a) 150 m s

^{-1}

(b) 300 m s

^{-1}

^{-1}

(d) 600 m s

^{-1}

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