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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Batteries are rated in terms of ampere-hours (A · h). For example, a battery that can produce a current of 2.00 A for 3.00 h is rated at 6.00 A · h. What is the total energy, in kilowatt-hours, stored in a 12.0-V battery rated at 55.0
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Argue for or against the idea that vd is equal to the instantaneous velocity of the glider when it is halfway through the photo gate in space.
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