I just need part D

2. An aligned fiber composite is manufactured with 60% carbon fiber (E=480 GPa, Pr=1850 kg/m) in a polyester matrix (Em=2.4 GPa, Pm=1200 kg/m?). a. Estimate the density of the composite material. b. Estimate the Young's modulus of the composite material when measured: i. Parallel to the fiber direction, Eo ii. Perpendicular to the fiber direction: E90 C. Assuming that the composite material is loaded parallel to the fiber direction, that it behaves perfectly elastically up to the point of fracture, and knowing that the fibers will fracture at a strain of 2.1%, 1. Estimate the fracture strength of the composite. ii. Estimate the elastic energy stored in the composite at the point of fracture. d. Six unidirectional layers are stacked such that the fiber directions alternate according to the scheme: 0/90/0/0/90/0 with respect to the primary loading direction. i. Estimate the Young's Modulus of the composite laminate in the loading direction. ii. Estimate the fraction of the total applied stress that is carried by the 0 layers