in. 1 in. I in. 1 in. | in.- I in. Steel core E = 29 × 10° psi Brass shell E = 15 x 10° psi 12 in.

A uniform edge load of w₁ = 540 lb/in. and W2 = 400 lb/in. is applied to the polystyrene specimen. Ep = 597 (10³) psi and vp = 0.25. (Figure 1) Figure T W₂ b - < 1 of 1

Solve it correctly please.

2.58 Knowing that a 0.02-in. gap exists when the temperature is 75°F, determine (a) the temperature at which the normal stress in the alu- minum bar will be equal to -11 ksi, (b) the corresponding exact length of the aluminum bar. 0.02 in. - 14 in. - Bronze A = 2.4 in² E = 15 x 106 psi a = 12 x 10-6/°F Fig. P2.58 and P2.59 18 in.. Aluminum A = 2.8 in² E = 10.6 x 106 psi a = 12.9 x 10-6/°F 300 mm 0.5 mm 250