Perfectly elastic collision
A 0.450-kg ice puck, moving east with a speed of 3.00m/s, has a head-on collision with a 0.900-kg puck initially at rest. Assuming a perfectly elastic collision, what will be the speed direction of each object after the collision?
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In unit-vector notation, what is the torque about the torque about the origin on a particle located at coordinate (0, -4.0m 3.0m) if that torque is due to
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