Find the total irreversibility in the process
R-134a is flowed into an insulated 0.2m3 initially container from a line at 500kPa, saturated vapor until the flow stops by itself. Find the total irreversibility in the process.
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A force is described as 150 lb, acting through the origin of a two dimensional coordinate system, up at an angle 135º counterclockwise with the positive x axis. Sketch the force. Write the force as a vector with magnitude and direction.
Motion of the threaded collars and is controlled by the rotation of their respective lead screws. If has a velocity to the right of and has a velocity to the left of when, determine the angular velocity of at this instant.
The speed of sound in the room is 344 m/s, and the stone is heavy enough to prevent the lower end of the wire from moving. If the wire is vibrating in its second overtone, what is the wavelenth of the sound it will produce?
A blower develops 750mm of water gauge at a speed of 1480rpm and a flow rate of 38cubicmeter per sec. Determine the specific speed of air blower?
When he is at the goal line and moving horizontally at 6.0 m/s, he is met in midair by an opposing 90 kg linebacker who is initially moving at 4.0 m/s in the opposite direction. The two meet in a head-on collision at the goal line. What is the col
Car A starts from rest at t=0 and travels along a straight road with a constant acceleration of 6ft/s2 until it reachers a speed of 80 ft/s2 . Afterwards it maintains this speed.
Your manager, who just read an abridged version of a statistics book, wants you to test hypotheses for the difference in two population means. The sample sizes for each are 23.
The electric field inside a 20.91 cm long copper wire is 0.071 V/m. What is the potential difference between the ends of the wire?
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Review section 2.2 about the various research methods used by sociologists, then address the following questions.
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