Describe the radiation field
A thin circular disk of charge density (sigma) and radius a rotates with angular velocity (omega) about an axis through its center in the plane of the disk. Describe the radiation field using the multipole expansion method.
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A bullet of mass 5.00 g is fired horizontally into a wooden block of mass 1.26 kg resting on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.160. The bullet remains embedded in the block, which is observed
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The glider is pushed in 8.2 cm and released. A student with a stopwatch finds that 14 oscillations take 17.0. What is the spring constant?
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