Find the wavelength of the wave using the mouse by finding the distance between one place where the circles are clumped together to the next location (or from two successive locations where the circle...Find the wavelength of the wave using the mouse by finding the distance between one place where the circles are clumped together to the next location (or from two successive locations where the circles are furthest apart). The velocity of the individual particles is given as before by the derivative of the displacement: v(x,t)=∂y(x,t)/∂t=−Aωcos(kx−ωt+ϕ) where k and ω are defined the same way as in the transverse wave case.