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Question
Air flows through a heating duct with a square cross-section with 9-inch sides at a speed of 4.7 ft/s. Just before reaching an outlet in the floor of a room, the duct widens to assume a square cross-section with sides equal to 13 inches. Compute the speed of the air flowing into the room (in ft/s), assuming that we can treat the air as an incompressible fluid. ft/s
What is the probability of block error of the (N, K) Hamming code to leading order, when the code is used for a binary symmetric channel with noise density f?
In a particular location, the horizontal component of the earth's magnetic field has a magnitude of 2.00 10-5 T. An electron is shot vertically straight up from the ground with a speed of 2.10 106 m/s. What is the magnitude of the acceleration caused..
You need to design an industrial turntable that is 50.5 cm in diameter and has a kinetic energy of 0.205 J when turning at 42.0 rpm, What must be the moment of inertia of the turntable about the rotation axis
300 grams of water at 0 degrees are placed in a copper container weighing 120 grams in which 35 grams of ice (at 0 degrees also). 17 grams of steam at 100 degrees are fed in and completly condensed to water.
Determine the magnitude of the electric field 3.0 cm from the point charge.
a hole punch has a diamter of 8.0 mm and presses onto ten sheets of paper with a force of 6.7 kN, If each sheet of paper is of thickness .20 mm, what is the shear stress
a scout walks 5.5 km due east from camp then turns left and walks 2.75 km along the arc of a circle centered at the
A 0.21-kg coffee mug is made from a material that has a specific heat capacity of 900 J/(kg · C°) and contains 0.36 kg of water. determine the minimum power rating of this heater
A fan blade is revolving at 20 cycles/s when someone turns off the fan. How long will it take for the fan blade to come to rest
A sample of serum has a mass of 54 mg and a volume of 225 cm3. What is its density in g/cm3? What would be the mass of 150 fluid ounces of this serum? What would be the volume of 1 pound of this serum?
As a function of time, the velocity of the football can be written as. Calculate the average acceleration vector of the football
A 120 kg scaffold is 6.6 meters long. It is hanging with two wires, one from each end. A 540 kg box sits 1 meter from the left end. What is the tension in the right hand side wire
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