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Two streams of air, one at 1 bar, 27C and velocity of 30 m/s and the other at 5 bar, 227C and 50 m/s velocity, mix in equal proportion in a chamber from which heat at the rate of 100 kJ/kg is removed. The mixture is then passed through an adiabatic nozzle. Find the velocity of the stream issuing out of the nozzle. The temperature of air leaving the nozzle is 27C, and its Cp=1.005 kJ/kg.K.
A 12.0-? resistor, a 12.0-µF capacitor, and a 17.0-mH inductor are connected in series with a 150-V generator, What is the maximum value of the rms current
A person who weighs 624 N is riding a 90.8 N mountain bike. what is the area of contact between each tire and the ground
A setup similar to the one shown in the figure below is often used in hospitals to support and apply a horizontal traction force to an injured leg. Determine the force of tension in the rope supporting the leg
The atmospheric density at an altitude of 2500 km is about 1 molecule/cm3. find the mean free path predicted by the equation below
In an R-L-C series circuit the magnitude of the phase angle is 52.9? with the source voltage lagging the current. The reactance of the capacitor is 360? , Find the reactance of the inductor
Consider a long wire that makes a right angle (90°) bend. If the wire carries a current I, what is the magnetic field at point A
The impact with the racket gives the ball a constant acceleration over a distance of 47 cm. Illustrate what is the magnitude of the net force acting on the ball?
A 0.252-kg volleyball approaches a player horizontally with a speed of 15.3 m/s. What impulse is delivered to the ball by the player
a long horizontal wire carries a current of 48 amps. A second wire, made of 2.5 mm diameter copper wire and parallel to the first, is kept in suspension magnetically 15 cm below. Determine the magnitude and direction of the current in the lower wi..
Starting from its nest, an eagle flies at constant speed for 4.0min due east, then 4.2min due north. How long is the eagle in the air
You are walking around your neighborhood and you see a child on top of a roof of a building kick a soccer ball. How tall is the building that the child is standing on
A motor contains a coil with a total resistance of 10 ohms and is supplied by a voltage of 120V. What is the current the instant the motor is turned on
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