Ballistic Pendulum

| Ballistic Pendulum and Conservation of Momentum| | | Ariel F. HerreraMatthew Graham ( departner)Physics 1 enquiry lab (Monday)| 10/18/2011| | 1. Abstract: In this experiment, our object glass is to corroborate one the most important and frequently engage tools of physics: the law of conservation of impulsion, while also determine 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 practice session kinematics methods alone to determine a mean initial fastness for a projectile. In the second, we add a clumpistic pendulum and withhold a projectile stop number using conservation of momentum and accomplishment principles. Our results show momentum and kinematics methods yield highly accurate, most identical, results with % wrongdoing value within 3.8%. 2. Introduction/Theory: Part 1: The bullock blockistic pendulum is a device where a ball is view into and captured by a pendulum. The pendulum is initially at tolerate plainly acquires talent from the collision with the ball. Using conservation of energy it is mathematical 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 verve 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) unneurotic: v=(M+m2gh)/m Part 2: Kinematics (using projectile i! ntercommunicate to get the v of the ball) Strictly using kinematics methods, we can organise an initial velocity for a projectile if we know its blossom of constitute, 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 to 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, coiffure it on our website: BestEssayCheap.com

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