Determining the perfectly elastic collision
A 0.450-kg ice puck, moving east with a speed of 3.00 mis, has a head-on collision with a 0.900-kg puck initially at rest. Assuming a perfectly elastic collision, what will be the speed and direction of each object after the collision?
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A thin circular disk of radius R rotates with angular speed w, about an axis through the centre of the disc and perpendicular to the plane of the disc. A uniform magnetic field B acts parallel to the plane of the disc. If the disc is uniformly cha
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