7. You are hired as a contractor to replace the roof of a totally normal building....
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7. You are hired as a contractor to replace the roof of a totally normal building. V= V= (R-R) V=S (103-93) V= (271) V=1136.81m The original roof was made of aluminum, but the new one will be made of gold. Aluminum has a density of 2.7 g/cm, while gold has a density of 19.3 g/cm. After twenty-six flights to the island, you have determined that the dome may be approximated by a hollow hemisphere with an outer radius of 10 meters, and an inner radius of 9 meters. Calculate the additional force on the building structure due to the new roof. Wa=VxD D=2.7 100=2100 Wa=1136.81x2700 =3066660 Wg=VxD Wg-Wa 21956830-3066660 D=19.3x100=19300 Wg 1136.81x19300 18,890,170 kg =21956830 7. You are hired as a contractor to replace the roof of a totally normal building. V= V= (R-R) V=S (103-93) V= (271) V=1136.81m The original roof was made of aluminum, but the new one will be made of gold. Aluminum has a density of 2.7 g/cm, while gold has a density of 19.3 g/cm. After twenty-six flights to the island, you have determined that the dome may be approximated by a hollow hemisphere with an outer radius of 10 meters, and an inner radius of 9 meters. Calculate the additional force on the building structure due to the new roof. Wa=VxD D=2.7 100=2100 Wa=1136.81x2700 =3066660 Wg=VxD Wg-Wa 21956830-3066660 D=19.3x100=19300 Wg 1136.81x19300 18,890,170 kg =21956830
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