PHYS Lab #2

# PHYS Lab #2 - David Thibodeaux PHYS 111A-H03 Lab#2 In...

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David Thibodeaux PHYS 111A-H03 Lab #2 9/24/2010 Introduction: In this laboratory experiment, we will use a combination of mathematic equations and an experimental procedure to determine both the acceleration and velocity of an object during specific distance intervals. Using an inclined plane and two photo gates, the acceleration and average velocity will be determined and compared with theoretical calculations to determine the accuracy and error of the calculations. Procedure: Before conducting the experiment, the theoretical acceleration of the object was calculated using the equation a x =gsin θ . Using a protractor, the slope of the incline was calculated to be approx. 5°. Using the equation, the acceleration due to gravity was calculated to be a x =9.8sin5°= .85 m/s 2 . Experimental Setup: At each lab table, there was an air track already set up. First, a box was retrieved containing the photogates, motion sensor, and glider. The first gate was placed about 30 centimeters from the top of the track (x 0 ).

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