A sample of an ideal gas goes through the process. From Ato B, the process is adiabatic; from Bto C, it is isobaric with 345 kJ of energy entering the system by heat; from Cto D, the process is isothermal; and from Dto A, it is isobaric with 371 kJ of energy leaving the system by heat. Determine the difference in internal energy Eint ,B 2 Eint ,A . 1 3 P(atm) 0.09 0.20.4 1.2 A C B D V(m 3 )

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Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.

An air-filled capacitor is formed from two long conducting cylindrical shells that are coaxial and have radii of 26 mm and 103 mm. the electric potential of the inner conductor with respect to the outer conductor is - 700 v (k = 1/4πε 0 = 8.99 × 109 n · m2/c2) the energy stored in a 1.0-m length of this capacitor is closest to