Lab 4 for Physics 1 for Engineers

# Lab 4 for Physics 1 for Engineers - Experiment 4 Motion in...

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Experiment 4 Motion in One and Two Dimensions

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Introduction In this experiment, we will make use of an air table to express one-dimensional acceleration in our first investigation, and two-dimensional acceleration with an initial horizontal velocity in our second investigation. Lastly, in investigation three we will calculate the acceleration due to gravity using our results from investigation one and two. When setting up the first investigation we placed a 3.62 cm block under one of ends the air table giving it an angle θ with our lab station. We then placed a sheet of carbon paper under a large piece or white grid paper onto the air table. The two pucks on the table were connected to a compressed air tube, so they would slide on the air table with minimal friction. In investigation one, we released the puck from the top of the air table and let it fall in a straight line to the bottom of the table. During the release and fall of the puck we used a sparker timer so that every .1 seconds a point would be made on the opposite side of our white grid paper. We then measured the distance between each of the points 1-3, 2-4, 3-5, 4-6, 5-7, and 6-8. Furthermore we calculated the velocity and the error in distance and velocity from our data. In investigation two we used the same set up with the air table, pucks, etc. Only we released the puck with an initial horizontal velocity so it would move in curving motion to the bottom of the table. We measured the x and y values from points 1-3, 2- 4, 3-5, 4-6, 5-7, and 6-8. In addition to that we found x and y coordinate values for each point using our first point as the origin. From our data we then calculated the x and y velocities at each point, the percent errors of the x and y velocities at each point, and the percent errors of the x and y distances at each point. Finally in investigation three, we calculated the acceleration due to gravity by using the angle of the air table to lab station, height of our block, and the length of the air table. Investigation 1
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## This lab report was uploaded on 04/16/2008 for the course PHY 152 taught by Professor Nelson during the Spring '07 term at Northeastern.

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Lab 4 for Physics 1 for Engineers - Experiment 4 Motion in...

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