Magnitude of electric field at center of circle
A circular arc has a uniform linear charge density of 5 nC/m. The value of the Coulomb constant is 8.98755 * 10^9 N*m^2/ C^2. What is the magnitude of the electric field at the center of the circle along which the arc lies?
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A sled slides along a horizontal surface for which the coefficient of kinetic friction is 0.25. Its velocity at point A is 8.0;{rm m}/{rm s} and at point B is 5.0;{rm m}/{rm s} Use the impulse-momentum theorem to find how long the sled takes to tr
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A 190 turn square wire coil of area 625 cm2 rotates about a vertical axis at 1880 rev/min, as indicated in the figure below. The horizontal component of Earth's magnetic field at the location of the loop is 2.22 10-5 T. Calculate the maximum emf
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What is the kinetic energy of an automobile with a mass of 1260 kg traveling at a speed of 12.8 m/s?
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