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A sled with mass 7.80 moves in a straight line on a frictionless horizontal surface. At one point in its path, its speed is 4.00 ; after it has traveled a distance 2.50 beyond this point, its speed is 6.10 .
A) Use the work-energy theorem to find the force acting on the sled, assuming that this force is constant and that it acts in the direction of the sled's motion.
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Loretta made it known just because someone comes from poverty does not mean this is where you have to live your whole life. She was an amazing women and an inspiration to many.
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Suppose that a particle accelerator is used to move two beams of particles in opposite directions. In a particular region, electrons move to the right at 9350 m/s and protons move to the left at 1681 m/s. The particles are evenly spaced with 0.085..
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