Ballistic Pendulum

| Ballistic Pendulum and Conservation of Momentum| | | Ariel F. HerreraMatthew Graham ( departner)Physics 1 explore lab (Monday)| 10/18/2011| | 1. Abstract: In this experiment, our fair game is to corroborate one the most important and frequently leased tools of physics: the law of conservation of impulsion, while also find the original focal ratio of the pendulum. We do so by comparing results from devil experiments conducted with a single clumpistic establisher/pendulum apparatus. In the first, we intake kinematics methods alone to determine a mean initial fastness for a projectile. In the second, we add a clumpistic pendulum and withhold a projectile velocity using conservation of momentum and achievement principles. Our results show momentum and kinematics methods yield highly accurate, most identical, results with % misplay value within 3.8%. 2. Introduction/Theory: Part 1: The musket ballistic pendulum is a device where a ball is nacreous into and captured by a pendulum. The pendulum is initially at tolerate scarcely acquires talent from the collision with the ball. Using conservation of energy it is workable to find the initial velocity of the ball. momentum= messiness*velocity p=mv Law of Conservation of momentum: pbefore=p(after) So in our experiment: pbefore=mv(of ball) pafter=M+mV, so mv=M+mV therefore, v=M+mm*V cleverness consideration: Kinetic energy=potential energy 12*mv2=mass*g* lift lifted m=mass, v=velocity so,12*M+mV2=M+mgh therefore,12*V2=gh , V=2gh Putting both(prenominal) together: v=(M+m2gh)/m Part 2: Kinematics (using projectile intercommunicate to get the v of the ball) Strictly using kinematics methods, we can sign an initial velocity for a projectile if we know its prime of prepare, and launch distance. To simplify our experiment, we choose a horizontal launch angle. Given the launch height, we can discover the time the ball takes to fall due t o gravity (its time of flight) as follows: ! h=12gt^2 t=2h/g Velocity is simply distance(x or range) divided by...If you indispensableness to get a full essay, outrank it on our website: OrderEssay.net

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