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A beam having the cross-section shown is subjected to the a vertical shear V. Determine (a) the horizontal line along which the shearing stress is a maximum, (b) the constant k in the following expression for the maximum shearing stress.
calculate the transverse modulus of the peek/carbon fiber composite with 30% volume fraction by tow method. the modulus of peek is 3.8 GPa and the modulus of the carbon fiber is 400GPa. assume the reinforcing factor.
use potential flow theory to determine the lift coefficient of a spinning baseball in terms of the forward velocity v
Determine the COP of the heat pump that applies energy to a house at a rate of 4500kj/h for each kW of electric power it draws. Also, determine the rate of the energy absorption from the outdoor air.
What is the inner tube surface temperature at the outlet, where fully developed conditions may be assumed?
A solenoid 2.8 m long has a radius of 0.85 cm and 660 turns. It carries a current I of 2.5 A. What is the approximate magnetic field B on the axis of the solenoid?
Determine the resultant of the three forces F1 = 2.0i + 3.3j - 2.6k; F2 = - i + 5.2j - 2.9k; and F3 = 8.3i - 6.6j + 5.8k, which are concurrent at the point (2, 2, -5.). The forces are in Newton's and the distances are in meters.
A new cast iron pipe is 5 km long and 15 mm diameter is used to convey water at a rate of 0.0150m3s-1. Given the absolute roughness of the pipe is 0.26 mm, density of water is 998 kg/m3 and dynamic viscosity of water is 1.14 × 10-3 kgm 1s-1.
Angela needs 20 quarts of 50% antifreeze solution in her radiator. She plans to obtain this by mixing some pure antifreeze with an appropriate amount of a 40% antifreeze solution. How many quarts of each should she use?
Calculate reactions of a simply supported continuous beam. A beam is simply supported at the ends and is continuous over two spans.
an air-hockey puck has a mass of 50 g and is 9 cm in diameter. it is placed on an air hockey table at 20 c and the film
Determine the minimum coefficient of static friction between the crate and the truck so that the crate does not slide relative to the truck.
How long wi1l it take for the mid plane temperature to achieve 50% of its maximum possible temperature reduction?
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