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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.
A mass hangs on the end of a massless rope. The pendulum is held horizontal and released from rest. When the mass reaches the bottom of its path it is moving at a speed v = 2.2 m/s and the tension in the rope is T = 19.7 N. 5) Return to the original ..
one ball of mass 575 g traveling 3.50 m/s to the right collides with another ball of mass 425 g that is intially at rest. what is the velocity of the heavier ball
A stunt man drives a car at a speed of 20 m/s off a 35-m-high cliff. The road leading to the cliff is inclined upward at an angle of 20?, What is the car's impact speed
A solid sphere rolling without slipping on a rough horizontal surface with a linear speed 21m/s collides elastically with a fixed, smooth vertical wall. Find the speed of the solid sphere after it has started pure rolling in the backward direction. T..
Calculate the gradient of V in each region
question an electron and a 0.0500-kg bullet each have a velocity of magnitude 450ms accurate to within 0.0100. within
A car (m = 2,000 kg) has an initial speed of 40 m/s and the driver applies the brakes over a distance of 200 meters until the car comes to a stop
A 200 W speaker is playing at full power. The speaker is at the center of a 1 m radius spherical chamber. What is the total sound power that reaches the walls
a series circuit has r400 ohm l10 mh c 0.1 micro farad and the frequency is 7960 hz what is the power factor ?and how
Calculate the theoretical resolution (assuming no lens aberrations) for green light
A ball and bat, approaching one another each with the same speed of 1.3 m/s collide. Find the speed of the ball after the collision
Two resistors, of R1 = 2.07 ? and R2 = 6.97 ?, are connected in series to a battery with an EMF of 24.0 V, Find the current I1 through the first resistor
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