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A heat engine having an ideal monatomic gas as a working substance has a cycle consisting of the following three processes: isobaric expansion at 200 kPa with volume change from 0.10 m3 (point A) to 0.23 m3 (point B), an isovolumetric process at 0.23 m3 with pressure change from 200 kPa to 50.0 kPa (point C), and an adiabatic process. The temperature at the beginning of the isobaric process is 300 K. (a) Draw the cycle on a PV diagram. (b) Find the temperature at points A, B, and C. (c) Find the internal energy at points A, B, and C. (d) Find the work done by the engine for each process and the amount of heat flowing into or out of the system for each process. (e) Find the total work done by the engine and its efficiency.
Suppose that a structure of arbitrary complexity has a number of forces applied to it (at various points) and yet is in static equilibrium. The principle of virtual work allows one to write an equation that relates the applied forces.
find the mass defect (in u) for (a) helium-3 (2He3), which has an atomic mass of 3.016 030 u, and (b) the isotope of hydrogen known as tritium (1T3), which has an atomic mass of 3.016 050 u.
Two people with a combined mass of 120kg hop into an old car with worn-out shock absorbers. This causes the springs to compress by 8.30 cm. When the car hits a bump in the road, it oscillates up and down with a period of 1.70s.
The potential at location A is 392 V. A positively charged particle is released there from rest and arrives at location B with a speed vB. The potential at location C is 780 V, and when released from rest from this spot, the particle arrives at B wit..
If coefficient of kinetic friction between the box and the floor is 0.570, how long does it take to move the box 4.00 m, starting from rest.
Suppose that the speed of the water in the reservoir is zero, and that the water flow is steady. Overlook both air resistance and the height difference between the reservoir and the muzzle.
What is the change in Marys potential energy. Find the final speed of the particle.
James is scheduled for a job interview with Ms. Farrar. He knows that she is in charge of selecting, placing, and evaluating employees for her firm, but he cannot remember her educational background. Which is most likely Ms. Farrar's educational back..
A light train is travelling on a straight section of track at a constant speed of 15 rm m/s. As it approaches next station, it starts to slow down at a rate of 5 rm m/s^2 until it stops at the station.
How much time take for the package to reach the ground.
Find out the precession period of the axis
Find the position of an object in front of a screen to obtain an image of size twice larger than its original size on the screen.
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