DO QUESTION 2 ONLY QUESTION 1 IS THERE FOR CONTEXT.

TABLE 2.1 Properties of Fibers and Conventional Bulk Materials Tensile Density Modulus Diameter (p) (E) Material (pm) (g/cm) (GPa) Tensile Strength (c) (GPa) Specific Modulus (EX) Specific Strength Melting Point (C) % Elongation at Break Relative Cost 7 15 Fibers E-glass S-glass Graphite, high modulus Graphite, high strength Boron Kevlar 29 Kevlar 49 Bulk materials Steel Aluminum alloys 2.54 2.50 1.9 1.7 2.6 1.45 1.45 70 86 400 240 400 80 130 3.45 4.50 1.8 2.6 3.5 2.8 2.8 27 34.5 200 140 155 55.5 89.5 1.35 18 0.9 15 13 1.9 1.9 4.8 5.7 1.5 0.8 1540+ 1540+ >3500 >3500 2300 500(D) 500(D) Low Moderate High High High Moderate Moderate 130 3.5 2.5 78 2.7 208 69 0.34-2.1 0.14-0.62 27 26 0.04-0.27 0.05-0.23 1480 600 5-25 8-16 3500 >3500 2300 500(D) 500(D) Low Moderate High High High Moderate Moderate 130 3.5 2.5 78 2.7 208 69 0.34-2.1 0.14-0.62 27 26 0.04-0.27 0.05-0.23 1480 600 5-25 8-16