Problem 1 Box G has a mass of 200 kg, is hung from cable ADEFG, and is supported by cable AC and spring AB as shown. Determine the force in cable AC, the force in spring AB, and the distance spring AB stretched when box G was hung. 135% 4 200 G kg 20°C A wwwwwww k=500 N/cm

4. Two cables are tied together at C and are loaded as shown. Part 1. If W205 lb, determine the tension (a) in cable AC and (b) in cable BC. Part 2. Determine the maximum value for W such that the tension will not exceed 220 lb in either cable. 150.lb 12 in. 15 W -30, in- 16 in.

145 S N Q-3 T. Brady Problem sy = Voy⋅ t + kayt 11 21 60f 1664/5² W w ½gt² + Vyt-sy = 0 at² + bt+C =0 Q-3 Hmwk #2

1 kw = (1000 joules / sec) and 1 kwh = 3.6 x 10^6 joules %3D %3D True O False

Calculate the overall transmittance for the wall shown below, does this wall meet Bahrain's regulations 0.57 W/m².C 12 mm outside plaster, k 0.75 200 mm Hollow blocks, k 0.885 45 mm polystyrene, k 0.03 12 mm inside plaster, k 0.75 Surface resistance (Heat flow) Ru Rair Direction of Flow Wall m²KW 0.121 -0.059- Roof m²KW :0.166 :0:059 for cavity between 5-20mm 0.11-if cavity >20mm 0.18

J Consider (Figure 1). Figure 10 ft 8 ft 8 ft 10 ft 16 A 6- FA-12 16 6 ft 1 of 1 > of 1 1 B 4 ft ▼ Part A Determine the projected component of the force F = 12 lb acting in the direction of cable AC. Express the result as a Cartesian vector. Express your answer in terms of the unit vectors i, j, and k. Use the 'vec' button to denote vectors in your answer. Express your answer in pounds to three significant figures. 195] ΑΣΦΗ Ivec FAC Submit Provide Feedback Request Answer D P Pearson a O PNING lb Next >

3. Draw a unit cell for a FCC crystal below. List all of the quantities associated with the unit cell that you can think of, with a brief (one sentence or less) description of what they are.

Find the tension in the cable AC.     89N   -29N 55N   23.6N

Q 2. In the fra, shown below. Resolve the fore 200lb into tajo components one along AB and the other parallel to CD. A B 10 3 2001b

31. A geared turbine unit delivers 18,500 kW at the buli gear coupling at full power with a propeller shaft speed of 400rpm. Under these conditions, the mechanical losses total 925 kVW. At 35 km/hr, the propeller makes 200 rpm and the shaft power is 2000 kW. Assume the mechanical losses vary as the square of the rpm and find the internal power develboped at full power. A. 23.459 kW B. 19,425 kW C. 10,543 kW D. 25,453 kW