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C15-3 For a given wavelength we can find a wave number, a scalar physical quantities$$k={2\pi \over \lambda}$$ Canonical Hub: CANONICAL_INDEX.
C15-3 C15-4 Focusing on the case of sinusoidal waves, a transverse wave has formula $$y=y(x,t)$$ …for a specific particle with the equation, $y(x,t)=A\cos(kx - \omega t)$, we can differentiate and find $$v_y=\omega A\sin(kx-\omega t)$$ and $$a_y = -\omega^2 A\cos(kx-\omega t)=-\omega^2y(x,t)$$ 15-E,...