Obtain pieces of steel, wood, and concrete of known volume. Find pieces with simple shapes, so that you can measure the dimensions and calculate the volume quickly. Determine their mass by placing each on an accurate scale, and calculate their densities.

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Consider a pine wood shaft that is 8 ft long and has a diameter of 4 in. 2 What is the volume of the shaft (in ft³)? (Assume the shaft is cylindrical.) x Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. ft3 What is the density of pine wood (see table below)? (Enter your answer in kg/m³.) Density, Specific Gravity, and Specific Weight of Some Materials (at room temperature or at the specified temperature) Material Solids Aluminum Asphalt Cement Clay Fireclay Brick Glass (soda lime) Glass (lead) Glass (Pyrex) Iron (cast) Iron (wrought) Paper Steel (mild) Steel (stainless 304) Wood (ash) Wood (mahogany) Wood (oak) Wood (pine) Density (kg/m³) Specific Gravity Specific Weight (N/m³) 26,880 2,740 2,110 1,920 1,000 1,790 @ 100°C 2,470 4,280 2,230 7,210 7,700 @100°C 930 7,830 7,860 690 550 750 430 2.74 2.11 1.92 1.00 1.79 2.47 4.28 2.23 7.21 7.70 0.93 7.83 7.86 0.69 0.55 0.75 0.43 20,700 18,840 9,810 17,560…

Compute the density for nickel at 700°C, given that its room-temperature (20°C) density is 8.902 g/cm The value of a, given for nickel is 13.3 × 106 (°C) ¹ -1 Select one: 3 a. 1.0271 cm 3 b. 1.0231 cm 3 c. 1.0311 cm 3 d. 1.0351 cm