Lab7 - PHY 241 University Physics Experiment 7 The Speed of...

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PHY 241 University Physics Experiment 7 The Speed of a Bullet: Ballistic Pendulum Method Jacob Matson Lab Partner: Chip Pitkin Performed: Mar 2, 2006 Submitted: Mar 16, 2006
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Objective: To utilize the principles of conservation of energy and momentum, in an inelastic collision, to determine the velocity of a bullet. Apparatus: Rifle and support apparatus, ballistic pendulum, meter stick with supports and aluminum rider for measuring forward pendulum motion. Theory: Momentum is conserved in all collisions. Some mechanical energy is always converted to heat in collisions at the macroscopic level. In an inelastic collision, where the objects stick together after impact, the loss of mechanical energy is maximized. Procedure and Data: The mass of the rifle bullets, in grains, is listed on the ammunition box. The conversion factor is 15 grains = 1 gram. Weigh the pendulum block then hang it on its four support cables, making sure all are the same length. Make sure that the rifle is about 15-20cm from the
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Lab7 - PHY 241 University Physics Experiment 7 The Speed of...

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