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A compressor operates at steady state with air entering at 1 bar, 20 deg celsius and exiting at 5 bar. (a) if the air undergoes a polytropic with n = 1.3, determine the work and heat transfer, each in kl/kg of air flowing. repeat for (b) an isothermal compression and (c) an isentropic compression.
The world's largest refracting telescope is operated at the Yerkes Observatory in Wisconsin. It has an objective of diameter of 1.02 m. What is the minimum separation of two objects on the ground
A circular loop in the plane of the paper lies in a 0.75 Tmagnetic field pointing into the paper. what is the direction of the induced current
A charged particle moves through a velocity selector at a constant speed in a straight line, Calculate the charge-to-mass ratio of the particle.
The drawing shows three identical springs hanging from the ceiling. determine the weight of the block hanging from the third spring
A sensitive gravimeter at a mountain observatory finds that the free-fall acceleration is 5.5×10?3m/s2 less than that at sea level
q1. a 0.27 kg rock is thrown perpendicularly upward from the top of the cliff that is 32 m high. when it hits the
A toy train is pushed forward and released at = 2.0 with a speed of 1.5 . It rolls at a steady speed for 2.8 , then one wheel begins to stick. The train comes to a stop 5.6 from the point at which it was released. Elucidate the train's accelera..
A point charge 4.20 mu C is held fixed at the origin. A second point charge 1.60 mu C with mass of 2.80×10-4 kg is placed on the x axis, 0.280 {rm m} from the origin. The second point charge is free from rest. What is its speed when its distance f..
A canoe has a velocity of 0.54m/s southeast relative to the earth. The canoe is on a river that is flowing at 0.52m/s east relative to earth.
An inclined plane has a height of 0.383 and is 120 cm long. What is the KE energy at the end of the ramp
A fire truck attaches two fire hoses to a hydrant to fight a fire. each hose has a diameter of 20 cm. What is the speed of the water in the fire hoses
The Hall effect can be used to determine the density of mobile electrons in a conductor. Find the density of mobile electrons in the material
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