W ^^^^^^^^^ L d (A) (B) The cantilever shown in Figure A has a square cross-section with a side length of d = 3 mm (figure B). If the density and the yield strength of the material that the bar is made of are p = 4100 kg m-, and yield = 310 MPa, respectively, what is the maximum length, L, of the bar that can be used in a cantilever configuration without showing any plastic deformation? You should take the gravitational acceleration as g = 9.81 m s. Give your answer in meters to 3 significant figures. Maximum length: L = m