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- The aluminum tube AB of cross section has a fixed support on the base and is supported by a pin at the top of a horizontal beam supporting a load Q = 200 kN. Determine the required thickness t of the tube if its outside diameter for 100 mm and the necessary safety factor in relation to Euler buckling for n = 3.0 (assuming A = 72 GPa). I know the answer, but I cannot understand the critical charge formula. I don't know why to use the constant 2.046 in the formula, can you please show me?The sinusoidal waveform of an ac circuit shows that the: <-90% O the current is leading the applied voltage by 90 O applied voltage is leading the current by 90 O applied voltage is lagging the current by 90 applied voltage is in phase with the current1. An inverted spherical bowl of radius R carries a uniform surface charge density o (see figure on the right). Find the potential difference between the "north pole" and the center. Hint: Find the potential at the north pole and at the center, separately, first. R The olectric notantial of soma confiqurotion is given buL the
- Show that the response of a structure subjected to a critically damped free response have initial boundary conditions u = u(0) and ủ = ü(0) is given by the equation u(t) -@nt[u(0) + t[u(0)wn + ù(0)]][10] In parallel branches, the current will be the same unless all the resistances are the same. True False [11] Insulators have valence electrons. * two three four None of the abovethe algebraic sum of the potential rises and drops around a closed loop is zero Current divider KCL KVL Voltage division
- Typically, the perm rating of a material with the material thickness increase O decreases does not changeB) A substance for which (K) is a constant undergoes an isothermal mechanically reversible process from initial state (P₁, V₁) to final state (P2, V₂) where V is molar volume. Show that the path of the process is described by V = 4 exp(-KP), where (A) depends on (T) only.A capillary tube of diameter 2 mm is placed in a reservoir of water, and a similar capillary tube is placed in a reservoir of methanol. If both tubes are made of clean glass and the water-glass and methanol-glass contact angles are both approximately equal to 0°. Surface tension of water is 0.073 N/m. Surface tension and density of methanol are 0.0225 N/m and 791 kg/m3, respectively. 8.0 Determine the rise of methanol. a.) 7.4 mm b.) 5.8 mm c.) 14.9 mm d.) 2.9 mm e.) 9.0 Determine the rise of water. a.) 7.4 mm b.) 5.8 mm c.) 14.9 mm d.) 2.9 mm e.).
- A 15 cm length of steel rod with relative density of 7.4 is submerged in a two layer fluid. The bottom layer is mercury and the top layer is water. The height of top surface of the rod above the liquid interface in 'cm' isCheck the determinacy of the structures ir E BSolve d part only in 2 hours it's mechanical engineering question so plz don't reject and solve it