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A 1.5-m3 insulated rigid tank contains 2.7 kg of carbon dioxide at 100 kPa. Now paddle-wheel work is done on the system until the pressure in the tank rises to 150 kPa. Determine the entropy change of carbon dioxide during this process. Assume constant specific heats.
In a skating stunt, a number of skaters hold hands and form a straight line. obtain the magnitude of the centripetal force that acts on him
Discover the frequency of revolution of an electron by an energy of 500 eV in a magnetic field of 28.0 µT. Compute the radius of the path of this electron if its velocity is perpendicular to the magnetic field.
A 56.7 cm long straight section of wire is located entirely inside a uniform magnetic field of |B| = 0.210 T. The wire is perpendicular to the direction of the magnetic field. When a current runs through the wire a magnetic force of|F| = 0.950 N acts..
A flywheel for energy storage in a hybrid gasoline-electric car is a ring-shaped rotor of mass 49 kg, designed to rotate at 30000 rpm. What is the ring's diameter
A pulley rotating in the counterclockwise direction is attached toa mass suspended from a string. The mass causes the pulley'sangular velocity to decrease with a constant angular accelerationα = -2.1 rad/s2.
Two solid spheres, each of mass m, are rolling without slipping with a speed v. If the spheres have radii R1 and R2 with R1/R2 = 7.3, what is the ratio of their kinetic energies
a 90 kg sofa sits stubbornly on the wrong side of your living room. if the coefficient of static friction between the
A circular solenoid contains 100.0 turns of wire and carries a current of 2.0 amps. Calculate the magnetic flux through one turn of the wire
A simple pendulum has a length of 1.15 m and a mass of 1.25 kg. The amplitude of oscillations of the pendulum is 30.0 cm. Calculate the quantum number for the pendulum.
A pilot claims to have seen a UFO moving initially at a speed of about 374 m/s in an easterly direction and then, Compute the UFO's average acceleration during the turn
a cylindrical solenoid 40cm long with a radius of 5 mm has 300 tightly wound turns uniformly distributed along its
You step into an elevator, and it accelerates to a downward speed of 9.2m/s in 2.1s. How does your apparent weight during this acceleration time compare with your actual weight
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