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Consider the expansion of 60.0 moles of a monatomic ideal gas along processes 1 and 2 in the figure below. In process 1 the gas is heated at constant volume from an initial pressure of Pi = 95 kPa to a final pressure of Pf = 190 kPa. In process 2 the gas expands at constant pressure from an initial volume of Vi = 0.85 m3 to a final volume of Vf = 2.55 m3. (a) How much heat is added to the gas during these two processes? process 1 120 kJ process 2 810 kJ (b) How much work does the gas do during this expansion? kJ (c) What is the change in the internal energy of the gas? kJ
A moving particle encounters an external electric field that decerases its kinetic enegery from 9420 eV to 8580 eV as the particle moves from position A to position B. Determine the charge of the particle
A transformer is to be used to provide power for a computer disk drive that needs 6.4 V (rms) instead of the 120 V (rms) from the wall outlet. Find the number of turns in the secondary
A small object begins a free-fall from a height of H = 82.5 m at t0 = 0 s. After ? = 2.85 s, a second small object is launched vertically up from the ground with the initial velocity v0 = 40.2 m/s. At what height from the ground will the two objec..
A tennis player receives a shot with the ball (0.060 0 kg) traveling horizontally at 55.0 m/s, What work does the racquet do on the ball
question1air is blown throughout a circular and horizontal venturi tube. the diameters of narrow and wider sections of
Fish are hung on a spring scale to determine their mass (most fishermen feel no obligation to report the mass truthfully). How far apart are the half-kilogram marks on the scale
At a certain instant of time a particle with charge q = 12 microcoulombs is located at x=0, y=2m; its velocity at that time is v=30 m/s i. Find the magnetic field,B, at (a) the origin
A mercury barometer reads 735.0 mm on the roof of a building and 764.5 mm on the ground. determine the height of the building
A Venturi meter measures fluid speed in a pipe. A constriction (of cross-sectional area A2) is put in a pipe of normal cross-sectional area A1 (A1 = 2A2). Find the ratio of the flow speeds
If two tiny identical spheres attract each other with a force of 4.00nN when they are 28.0cm apart, what is the mass of each sphere
assume that a receiver has first amplifier stage with a 5k ohms input resistance, a power gain of 300, an input audio signal of 20uV, and an operating temperature of 27 Celsius.
A steel wire of length 1.92 with circular cross section must stretch no more than 0.300 when a tensile (stretching) force of 410 is applied to each end of the wire. What minimum diameter is required for the wire
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