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(a) An asset costs £14 000. Wha t declining-balance depreciation rate would result in the scrap value of £3000 after seven years?
(b) Using the depreciation rate from part (a), what is the book value of the asset after four years?
Determine the orientation of the neutral axis and calculate the maximum tensile stress σt and maximum compressive stress σc in the beam. Use the following numerical data: height h= 200 mm, width b 90 mm, constant thickness t = 15 mm, and θp= 19.2°..
1. Briefly explain what determines the characteristic color of (a) a metal and (b) a trans- parent nonmetal. 2. Briefly explain why some transparent materials appear colored while others are color- less. 3. Briefly describe the three absorption mecha..
a sky diver with a mass of 70 kg jumps from an aircraft. the aerodynamic drag force acting on the sky diver is known to
the beam ab is subjected to the uniformly distributed load shown and to two unknown forces p and q. knowing that it has
a syringe has diameter d 4 cm and its piston is pressed with the force f 30 n. find the maximum velocity of the water
the brakes of a car are applied causing it to slow down at a rate of 10 fts2. knowing that the car stops in 300 ft
Since some of these factors improve and others degrade as the temperature is lowered, is there a temperature where rb, is a minimum and what is it if there is in this example?
A 1/10th scale model of an airplane is to be tested in a wind tunnel that operates with air at a pressure of 20 atmospheres. The plane is expected to fly at a speed of 500 [km/hr]. (a) What speed should the wind tunnel be run? (b) If the drag measure..
a rectangular solar thermal collector sits on the roof of a house only one side is exposed to air and solar radiation
you are to design an air compressor with an inlet pressure of 100 kpa an inlet temperature of 300 k and anexit pressure
what is the range of hydrogen ion activities within which the true value might be expected to lie?
What is the phase and the specific volume of water at 3000 Kpa and 455 degrees C? Show this state on a PV diagram
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