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0.110kg stone rests on a frictionless, horizontal surface. A bullet of mass 9.00g , traveling horizontally at 370m/s, strikes the stone and rebounds horizontally at right angles to its original direction with a speed of 250m/s .
Part A Compute the magnitude of the velocity of the stone after it is struck.
Part B Compute the direction of the velocity of the stone after it is struck.
Part C Is the collision perfectly elastic?
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question1a painter of mass 140.0 kg stands on a platform of mass 55.0 kg and pulls on two ropes that hang over pulleys
The angle is 40 degrees and the length is 7.50 m, If the seat weighs 205 N and a 866-N person is sitting in it, find the tension in the inclined cable
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