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- Problem 9.104 Figure 1 of 1 6 ft 1 8 ft 6 ft Part A Determine the number of gallons of paint needed to paint the outside surface of the water-supply tank, which consists of a hemispherical bottom, cylindrical sides, and conical top. Each gallon of paint can cover 251 ft². (Figure 1) Express your answer to three significant figures and include the appropriate units. V = IVE ΑΣΦ ↓↑ vec Submit My Answers Give Up ? gal Provide Feedback ContinueTwo sphere, each 1.5m in diameter, weighs 7KN and 20KN respectively. They are connected with a short rope and placed in water. The heavier sphere sinks while the lighter sphere floats and part of its volume is protruding above the surface. If the volume of a sphere is (4/3)*T*(r^3), determine the percentage of the volume of the lighter sphere protruding above the surface. A) 40.1% B) 49.2% c) 55.6% (D No answer among the choices E) 44.3%2. In the figure shown, determine the difference in pressure between points A and B. 0.82- Air s = 0.0012 Kerosene, s = 3 Benzene S- 0.88 B 250 mm 100 mm 200 mm 150 mm 90 mm Water Mercury ww 00b ww OLE
- Q.5 A metallic bar 250 mmx 100 mm x 50 mm is loaded as shown in below figure. Workout change in volume. What should be change that should be made in 4 MN load in order that there should be no change in the volume of the bar? Assume E = 2 x 105 N/mm² and μ = 0.25. 50 mm T 2 MN 4 MN 250 mm 400 KN Z iIV. Water is discharged from a device in to air, as shown in the figure. How much is the horizontal force to hold the device. Ignore gravity and viscosity. 1 Ibf= 1 slug ft/s 2, air (2)A=0.4 t 30 fU 10 psi Flang 1/20 tis (1) A=0.8 (E) A- 0.8 n air Water density =1.94 slugs/ft^3.Determine the order of the order of reaction and the value of the reaction rate constant k for the following data. Time, min Concentration, mg/L 500 20 276 40 155 60 87 80 50
- Problem 10.107 Figure 1 of 1 200 mm 200 mm 200 mm 100 mm 100 mm 200 mm 200 mm 200 mm 200 mm 200 mm y Part A The thin plate has a mass per unit area of 10 kg/m².Determine its mass moment of inertia about the z axis. (Figure 1) Express your answer with the appropriate units. I₂ = Submit μÅ Value Units My Answers Give Up ? Provide Feedback ContinueA 5-kg piston moves along an oil-lubricated cylinder as shown in the figure. The diameter of the piston as well as the cylinder is also shown. What is the viscosity, µ, in cP, of the oil if the piston decelerates by 0.5 m/s? , when the velocity, U, of 6 cm the piston is 1 m/s? -9.8 cm Use g = 9.807 m/s? = 32.17 ft/s? and ywater = 9790 N/m3 = 62.4 Ib/ft3 %3D 10 cmQUESTION 1 Find the pressure in the pipe cortaining gasoline in kPa. Ir the given conditions, cir has a density of 1.1 kg/m Oil SG 0.79 gage =370 kPa Gasoline SG =0.70 Air- 45 cm 50 cm Pipe 22 cm 10 cm Mercury SG = 13.6 Water
- II. In the given figure, calculate the values of h, and h₂ in cm. 27 cm S₁ = 0.80 h₂ 8 cm S₂ = 0.68- 4 cm h₂ S = 13.60The bicycle and rider shown in (Figure 1) have a mass of 40 kg with center of mass located at G. The coefficient of kinetic friction at the rear tire is μp = 0.6. Part A Determine the normal reaction at the tire A, when the rear wheel locks for braking. Express your answer to three significant figures and include the appropriate units Figure -0.55 m 0.4 m- 1 of 1 HÅ ? NA= Value Units Submit Request Answer Part B Determine the normal reaction at the tire B, when the rear wheel locks for braking. Express your answer to three significant figures and include the appropriate units ΜΑ ? Units NB = Value Submit Request Answer 1.2 m Part C Determine the deceleration of the rider, when the rear wheel locks for braking. Express your answer to three significant figures and include the appropriate unitsThe air resistance to the motion of a vehicle is something important that engineers investigate. As you may also know, the drag force acting on a car is determined experiementally by placing the car in a wind tunnel. For a given car, the experimental data is generally represented by a single coefficient that is called the drag coefficient. It is given by the relationship C(4)=F(d)/ 1/2 pV^2 (A) C(d)= drag coefficient F(d)= measured drag force (lb) p= air density (slugs/ft^3) V= air speed inside the wind tunnel (ft/s) A=frontal area of the car (ft^2) What is the appropiate unit for C, if the proceeding equation is to be homogeneous in units? show all steps of your work