mV Fluid particle Point O H=7x mV
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Q: 1. Show that this formula is true: v. (V . o)= v · (V · o)+ a : V ỹ
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Q: © characterstic lugth e ® density s ® grauity 1 ☺ speed of Sound angular veloity w
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Angular momentum, also called moment of momentum (H->), is formed by the cross product of a moment arm (r-›) and the linear momentum (mV-›) of a fluid particle, as sketched in What are the primary dimensions of angular momentum? List the units of angular momentum in primary SI units and in primary English units.
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- pllllllllllllease solve question 7Q: Figure 2 shows a typical mast from a modern racing yacht. It is built in the form of a thin-walled tube (hallow cylinder). To win long-haul ocean races, these yachts need to have every advantage that high-performance materials can give, in terms of maximum stiffness (must not easily deflect), plus minimum weight as possible. The following are the equations to use: 1(F13 8 == 8 EI and I = ar³t, A = 2art assume l and cross section are fixed but thickness t is free to change. • Drive the performance index for this problem • Use table 1 to select top three materials with the best performance index. Figure 2 Table. 1 Data for Tube of Given Stiffness p (Mg.m 3) 2.0 Material E (GPa) GFRP 12 Steel 7.8 200 Wood 0.6 12 Aluminum alloy Titanium alloy 2.7 69 4.5 120A is the simplest type of semiconductor.
- PROBLEM:VIC-13 FROM THE BOOK: ENGINEERING THERMOFLUIDS, M. MASSOUD.Consider the beam shown in (Figure 1). Suppose that the distributed load w = 600 lb/ft. Follow the sign convention. Figure -12 ft 15 ft- W B 0 3 ft 6 ft 1 of 1 6000 lb-ftSolve for u4x and u4y in (mm): Given: rax = 47.6314(kN) Tay rày = 27.5(kN) Solve: rax = 10°[23.9065u4x – 3.089u4y] Tay = 10°[-3.089u4x + 16.8378u4y]
- A cable is attached to a 1.40 kg block A, is looped over a fixed peg at C, and is attached to plate B.(Figure 1) The coefficient of static friction between the plate and the block is u4 = 0.150, the coefficient of static friction between the plate and the inclined plane is uR = 0.300, and the coefficient of static friction between the cable and the peg is uç = 7.00x10-2. If the plane's angle is 30.0 degrees, what is the maximum mass that plate B can have such that it does not slide down the plane? Express your answer numerically in kilograms to three significant figures. • View Available Hint(s) vec ? mB = kg(1) lim X→9 Vx-9 H/3The engineering constants for an orthotropic material are found to be E1= 27.579 GPa V12 = 0.2 G12=41.368 GPa E2=20.684 GPa V23 = 0.4 G23=48.263 GPa E3=21.374 GPaV13 = 0.6G31=13.790 GPa Find the stiffness matrix [C] and the compliance matrix [S] for the preceding orthotropicmaterial.
- Q2/ semiconductor at T, has conductivity of 2.5 x 106 s/m. number of electrons of 3x 103 Numbers of holes 3x 103 ,charge of 1.602 x 10 -19 c, and at T2 has conductivity of 3.6 x 10 s/m , number of electrons of 4.5x 1014 , Numbers of holes 2x 102 ,charge of 1.602 x 10-19 c. Calculate the mobility of electrons and holes1) The engineering constants for an orthotropic material are found to be Ej= 27.579 GPa E2=20.684 GPa E3=21.374 GPa V12 = 0.2 G12=41.368 GPa V23 = 0.4 G23=48.263 GPa V13 = 0.6 G31=13.790 GPa Find the stiffness matrix [C] and the compliance matrix [S] for the preceding orthotropic material.The engineering constants for an orthotropic material are found to be E1= 27.579 GPa =0.2 G12=41.368 GPa E2=20.684 GPa =0.4 G23=48.263 GPa E3=21.374 GPa =0.6 G31=13.790 GPa Find the stiffness matrix [C] and the compliance matrix [S] for the preceding orthotropic material.