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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? (c) What is the change in the internal energy of the gas?
An electron has a kinetic energy of 6.00 10-17 J. It moves on a circular path that is perpendicular to a uniform magnetic field of magnitude 4.70 10-5 T. Determine the radius of the path
Two masses, m1= 3.32 kg and m2= 5.00 kg are on a horizontal frictionless surface and they are connected together with a rope, What is the acceleration of the whole system, when this maximum force is appiled
An unknown substance has a mass of 0.125 kg and an initial temperature of 94.7. calculate the specific heat of the unknown substance
A wheel of radius 2m (I=MR^2) has a rotational kinetic energy of 4800 J when rotating at 20 rev/s. What is the final angular speed of the system
1 mole of an ideal gas initially at 100° C and 1 atm is expanded adiabatically against a constant pressure of 5 atm until equilibrium is re-established. Given that the temperature dependence of the heat capacity is CV = 4.50 + 0.005T calculate ?U,..
A 450 lb boy pushes on a 300 lb box with a force of 125 lb. If the box slides across the floor with constant velocity, what is the net force on the box
A particle with charge of 28.3 µC is placed at the center of a spherical shell of radius 27.5 cm. find the total electric flux through the surface of the shell
A 76.2-kg skier rides a 2520-m-long lift to the top of a mountain. find the change in the skier's gravitational potential energy
An airplane whose air speed is 608 is supposed to fly in a straight path 38 north of east. But a steady 86 wind is blowing from the north. In what direction must the plane head.
A 0.360 kg mass is attached to a spring with a force constant of 25.9 N/m, Calculate the speed of the mass
A spring (k = 1000 N/m) is used to launch objects across the floor. If the spring launches a 380 gram toy car with a speed of 17.6 m/s, how far was the spring compressed
We are going to treat this approximatly as an elastic collision. What are these final velocities in the reference frame of the ground
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