A cylindrical tank, 9 feet deep and 3 feet in diameter is filled with a fluid that weighs 50 lb/ft^3 (meaning y = 50 lb/ft^3). What is the pressure at the bottom of the tank in pounds per square inch? Give answer to 3 significant digits.
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- TV broadcast antennas are the tallest artificial structures on Earth. In 1987, a 77-kg physicist placed himself and 306 kg of equipment at the top of a 534-m-high antenna to perform gravity experiments. By how much was the antenna compressed, if we consider it to be equivalent to a steel cylinder 0.33 m in radius? Round your answer to 5 decimal places.A metal object having a length (10m), cross section area (0.5 mm?), and resistance (0.5N) is connected to a potential difference source of 5V at room temperature. If the density of free electrons equals (8x1025 electron/m³), Calculate the drift velocity.write your solutions and computations on the space provided
- A room 30 m by 22m is to be illuminated by 34 W fluorescent tube mounted 3m above the working plane on which an average luminance of 180lux is required. Using a space-Height ratio of 1.2, determine the number of rows required.Answer the problem Format (given, required, solutions include free body diagram.)In a study of the properties of an aqueous solution of Th(NO3)4 by A. Apelblat, D. Azoulay, and A. Sahar (J. Chem. Soc. Faraday Trans., I, 1618, (1973)), a freezing-point depression of 0.0703 K was observed for an aqueous solution of molality 9.6 mmol kg−1. What is the apparent number of ions per formula unit?
- A spherical shell of inner and outer radii 4.39 meters and 12.80 meters, respectively, has a total charge of 14.55 nanocoulombs. Find the magnitude of the electric field, in volts per meter, 9.12 meters from the center of the shell.Continuity Equation and Relaxation Time Lightning strikes a dielectric sphere of radius 20 mm for which er εr = 2.5, σ= 5 x10-6 S/m and deposits uniformly a charge of 1 C. Determine the initial volume charge density and the volume charge density 2 μs later.Q1. Answer the following. For problem solving, show complete solution, completeequation, resistor combination and circuit transformation. Also, fix calculator to 3decimal places.
- The outer radius of a coaxial cylindrical electrode system is given in 32 cm. The system is the most suitable sized according to puncture. Penetration of the insulator between the cylindrical layers Its strength is Ed = 72 kV / cm and the relative dielectric constant of the insulator is Er1 = 52 c) -Calculate the actual distance (d) of the system, the utilization factor (n) of the electrode aperture (alpha)? (E0 = 8,854x10-12 F / m)The region between the conductors of a coaxial cable with inner conductor radius a=2m and outer conductor radius b=3m is filled with a material with dielectric constant E. If the charge per unit length of the inner conductor is q, which of the following is the capacitance of the unit length of the coaxial cable.High Voltage Technique For the most puncture-related arrangement of a concentric spherical electrode system with a voltage of 100 kV to be applied between the electrodes and with Ed=80 kV/cm (insulator puncture strength), Emax = 0.6. Ed a) Inner and outer sphere radii, b) Maximum and minimum field strengths, c) Equivalent electrode opening and utilization factor, d) Its capacity (Ɛ0=8,854x10-12 F/m, Ɛr=1) and insulator volume, e) By keeping the outer sphere radius constant, calculate the inner sphere radius value range that can be used in the system without discharge. ANSWERS: a) r1=4.16 cm, r2=8.32 cm b) Emax=48 kV/cm, Emin=12 kV/cm c) α=2.08 cm, η=0.5 d) C=9.257 pF, Vinsulator=2110 cm3 e)1.53<r1<6.8 cm