For the Pratt bridge truss and loading shown, determine the average normal stresses in members BE & BC, knowing that the cross-sectional area of those members is 3780 mm^2. Designate whether the member is a tensile stress or a compressive stress. (Choose all correct answers) * 3.6 m E m-2.7 m-2.7 m-2.7 m- 350 kN 350 kN 350 kN ВE 3 93 MPa (С) Вс - 93 МPа (С) ВЕ 3D93 MPа (Т)

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