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Bobby Garret
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1. Derive the wave equation for longitudinal vibrations in an extended 1-D system of masses and springs. The average distance between masses is D [m], the spring constants are K [kg/s2 ], and the masses are M [kg]. b) Determine the wave speed c as a function of D, K, and M. Verify that it has the right units.2. fn = f(xn), fn+1 = f(xn + D). i was given this as a hint.3. ∂^2y /∂x^2 = (1/c^2) ∂^2y /∂t^2. I can derive it like this. But I have no clue what my partials are supposed to be. How do i find an equation to fit into this form?