Ã(12.0m) 37.0% 60.0° 40.0° Č(6.0m) B(15.0m) The Y component of vector C in the above figure is
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Q: Q3/A For the figure below, the resultant is.: * 20 Ν 75 N 45° 50 N 150 N 259 80 N Q3/B) The…
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A: given; lets take;P1=30lbP2=100lbP3=60lbP4=100lbP5=20lb
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A: 2A×B=ijk46-8-342=i(12+32)-j(8-24)+k(16+18)2A×B=44i+16j+34k
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- A ship of 7500 tonnes displacement has KM 8.6 m, KG 7.8 m and 20 m beam. A quantity of deck cargo is lost from the starboard side (KG 12 m, and centre of gravity 6 m in from the rail). If the resulting list is 3 degrees 20 minutes to port, find how much deck cargo was lost.Answers (a) er=15.30-250.2/r^2 , etheta=15.30+250.2/r^2 (b) delta c = 8.12x10^-4 inEngine oil at 60°C rotates as a rigid body about the z-axis in a spinning cylindrical container. There are no viscous stresses since the water moves as a solid body; thus the Euler equation is appropriate. (We neglect viscous stresses caused by air acting on the water surface.) Integrate the Euler equation to generate an expression for pressure as a function of r and z everywhere in the water. Write an equation for the shape of the free surface (zsurface as a function of r). (Hint: P = Patm everywhere on the free surface. The flow is rotationally symmetric about the z-axis.)
- 16 - Three dimensional F1 = 43i - 77j - 21k F2 = 111i + 28j + 181k for vectors F1 + F2 =? do the collection.A) 154i - 49j + 160kB) 174i - 174j + 328kC) 666i - 593j - 43kD) 106i - 17j + 112kE) 121i + 62j + 117kLine sources m1 and m2 are near point A, as in Fig. If m1= 30 m2/2, find the value of m2 for which the resultantvelocity at point A is exactly vertical.This is a dynamics problem. Answer: kO = 2.17 m
- A 45 grams (0.045 kg) golf ball of diameter equal to 43 mm fell into a 2m deep lake. Neglect inertia at the moment of impact. Assume viscosity of 1.12x10-3 Ns/m2 , water density of 1,000 kg/m3 and Cd=0.5. Sphere volume equals 4π r³ /3. 1. How long will it take from the moment it hits the surface until it gets to the bottom? 2. If one estimates the Cd with Cd=24/Re formula, the settling velocity would be unrealistically large. Why?Plz answer this engineer math question ASAP,and used parameter equation,thx find the derivative directed f at point P in the direction of a= f= XY+YZ+25 P(-2,4,7) a=(-i+j+5k)34 - three-dimensional F1 = 39i + 79j + 246k F2= 135i - 253j + 82k for vectors F1 + F2 =? do the collection.A) 174i - 174j + 328kB) 106i - 17j + 112kC) 154i - 49j + 160kD) 666i - 593j - 43kE) 121i + 62j + 117k
- 1) A cylindrical rod of constant shear modulus, G is of length L and located between z=0 and z=L. It has a polar moment of inertia given by J=(Jo)/(1-Z/L) and t=-sin(πZ/2L)where Jo is a constant.The boundary conditions are dΦ(o)/dz =0 AND Φ(L)=0 Find Φ(z) and graph (1/GJo)Φ(Z), and (1/GJo)(dΦ(Z)/dz) ?Generalize Prob. as follows. Denote length AB asH , length BC as L , and angle ABC as θ . Let the dam materialhave specifi c gravity SG. The width of the dam is b .Assume no seepage of water under the dam. Find an analyticrelation between SG and the critical angle θ c for whichthe dam will just tip over to the right. Use your relation tocompute θ c for the special case SG = 2.4 (concrete).Give me right solution with clear calculations. A closed cylindrical tank 1.89m high and 0.99m in diameter contains water of height 1.35m. When the angular velocity is constant at 20rad/sec What is the area (m 2) uncovered at the bottom? A. 0.1 B. 0.3 C.0.7 D. 0.07 If it is rotated at 15rad/sec and the air has a pressure of 200kPa what is the minimum pressure at the bottom of the tank in KPa? A. 245.10 B.145.10 C.201.45 D.210.54