Specify the SI units of the given quantity.

(a) Wave speed of longitudinal vibrations in a bar, \(c\)

(b) Flexural rigidity of a beam, \(E l\)

(c) Natural frequency of sixth mode, \(\omega_{6}\)

(d) Nondimensional natural frequency of first mode, \(\omega_{1}\)

(e) Rayleigh's quotient, \(R(w)\)

(f) Inertia term in the beam equation, \(ho A \frac{\partial^{2} w}{\partial t^{2}}\)

(g) Kinetic energy of a bar, \(T=\int_{0}^{L} ho A\left(\frac{\partial w}{\partial t}\right)^{2} d x\)