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A frictionless piston-cylinder device, shown in Fig. 8-41, initially contains 0.01 m3 of argon gas at 400 K and 350 kPa. Heat is now transferred to the argon from a furnace at 1200 K, and the argon expands isothermally until its volume is doubled. No heat transfer takes place between the argon and the surrounding atmospheric air, which is at T0 300 K and P0 100 kPa. Determine (a) the useful work output, (b) the exergy destroyed, and (c) the reversible work for this process.
An ac generator producing 10 V (rms) at 300 rad/s is connected in series with a 25-? resistor, The rms current in the circuit (in mA) is
A child on a sled reaches the bottom of a hill with a velocity of 10.0m/s and travels 25.0m along a horizontal straightaway to a stop. If the child and sled together have a mass of 60.0kg, what is the average retarding force on the sled on the hor..
Batman attempts to hide out in a Batbox. The top is a mirrored surface, but the vertical sides are made of clear Batplastic. What is the minimum depth (measured to the top of the Batbox) that the Batbox can be below the surface of the water for the ..
Coherent light with wavelength 609 passes through two very narrow slits, and interference pattern is observed on a screen a distance of 3 from the slits.
A 10 Ω resistor is in series with a 1 and 5 Ω resistor parallel combination. All of that is parallel with a 9 Volt battery. Determine the total current running through the wire
A motorcycle and rider have a total mass equal to 300kg. Therider applies the brakes, causing the motorcycle to accerelate at arate of -5m/s2. What is the net force on the motorcycle
a linear accelerator is operated at 700 kv to accelerate protons. what energy will the protons have when they exit the
A positively charged He+ atom has two protons in the nucleus and one electron in the shell. In a classic model of the atom, What is the radius of the orbit
A small metal cylinder rests on a circular turntable that is rotating at a constant speed as illustrated in the diagram (Figure 1) . The small metal cylinder has a mass of 0.20kg , the coefficient of static friction between the cylinder and the tu..
Two forces parallel to the x axis do 12.0 J of work on a small tray while moving it 21.8 m in the x direction across a gym floor. One of the forces has a value of +3.91 N in the x direction. What is the other force?
A block slides down an inclined plane, starting from rest and being pushed with a constant acceleration of 4.60 m/s2 over a distance of 19.4 cm. Find the total time the block is in motion
A 7.5-kg block is sliding down a wall with constant velocity. The coefficient of static friction between the block and the wall isμs= 0.70. The coefficient of kinetic friction between the block and the wall isμk= 0.40. What is the magnitude of the fo..
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