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Lab 7 Report

Lab 7 Report - Ballistic Pendulum Objective We are...

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Ballistic Pendulum Objective We are determining the launch speed of a steel ball as well as the initial velocity of the pendulum after the ball impacts to observe the conservation of energy and momentum. Exercise 1: Momentum of the Steel Ball before the Collision To determine the muzzle velocity of the steel ball under each of the three settings, we launched the ball down onto the ground and measured the horizontal and vertical distances. Then we calculated the average momentums for each of the three settings. The equations used are below. The data table is located following exercise 4. Calculations: ( 29 s m m s m m h g R v / 215 . 2 96 . 2 / 81 . 9 98 . 2 2 0 = = s m m m s m m m s m h h g R h g v 0942 . 96 . 005 . 2 81 . 9 2 1 0391 . 96 . 2 81 . 9 2 2 1 2 2 3 2 2 2 3 0 = + = + = s m kg s m kg mv p i = = = 148 . 215 . 2 067 . 0 s m kg s m kg v m p i = = = 00631 . 0942 . 067 . 0 Exercise 2: Momentum of the Pendulum and Ball after the Collision To calculate the momentum of the pendulum, we must determine the initial velocity of the pendulum after impact. We can do this by measuring the peak angle of the

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Lab 7 Report - Ballistic Pendulum Objective We are...

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