Asingle-turn square loop of wire, 2.00 cm on each edge, carries a clockwise current of 0.240 a. the loop is inside a solenoid, with the plane of the loop perpendicular to the magnetic field of the solenoid. the solenoid has 30 turns/cm and carries a clockwise current of 15.0 a. find the force on each side of the loop and the torque acting on the loop.
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Oxygen and hydrogen gas are at the same temperature t.what is the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen.
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Two steel balls, each of mass m, are welded to a light rod of length l and negligible mass and are initially at rest on a smooth horizontal surface. a horizontal force of magnitude f is suddenly applied to the rod as shown. determine (a) the instantaneous acceleration a of the mass center g and (b) the corresponding rate at which the angular velocity of the assembly about g is changing with time.
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Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.
Answers: 3
Asingle-turn square loop of wire, 2.00 cm on each edge, carries a clockwise current of 0.240 a. the...
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