1-39. A surveying technique for measuring the height of a building on sloping ground has data...

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1-39. A surveying technique for measuring the height of a building on sloping ground has data as shown in Figure P1-39. Determine the height h of the building. FIGURE P1-39 1.23 m 34° 20 m 0.33 m TX h 1-40. Neglecting the pulley diameter at D, determine how far weight A drops as 8 changes from 120° to 50° (Figure P1-40). FIGURE P1-40 B 2 m DT A 3m 2-32. Determine the resultant of the force system shown in Figure P2-32. 104 lb FIGURE P2-32 70 lb 90 lb 12 25° 5 75° 80 lb 2-35. Determine the resultant of the force system shown in Figure P2-35. 3205744 Lewis Mununga FIGURE P2-35 20 kN Courses 80° 40 kN 4 3 12 30 kN 5 52 KN 1-39. A surveying technique for measuring the height of a building on sloping ground has data as shown in Figure P1-39. Determine the height h of the building. FIGURE P1-39 1.23 m 34° 20 m 0.33 m TX h 1-40. Neglecting the pulley diameter at D, determine how far weight A drops as 8 changes from 120° to 50° (Figure P1-40). FIGURE P1-40 B 2 m DT A 3m 2-32. Determine the resultant of the force system shown in Figure P2-32. 104 lb FIGURE P2-32 70 lb 90 lb 12 25° 5 75° 80 lb 2-35. Determine the resultant of the force system shown in Figure P2-35. 3205744 Lewis Mununga FIGURE P2-35 20 kN Courses 80° 40 kN 4 3 12 30 kN 5 52 KN

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Solutions 140 Answer BD BC 2 CD 2 2BCCDcos BDBC 2 CD 2 2BCCDcos120 o BC 2 CD 2 2BCCDcos50 o 2 2 3 2 ... View the full answer