jasminemv2529 jasminemv2529 31-05-2023 Chemistry contestada A fiber reinforced-epoxy composite has an upper Young’s Modulus of Ec = 11.5 GN/m2. Calculate the volume fraction of the fibers (Vf) if the fiber Young’s modulus is Ef = 80 GN/m2 and the epoxy Young’s modulus is Em = 5GN/m2.