A70 in. long steel bar (e =30 x 10^6 psi) of rectangular cross-section 1.5 in. x 2 in. is pinned at each end. it is subjected to an axial compressive stress of 33 ksi. determine the buckling load. verify that the euler's equation is valid for the given length.

Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg.k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m.k