In this lab we are once again going to take distance measurements and analyze our results using graphical analysis.

 

You will need the following equipment:

 

Set up the first three pieces of equipment as shown in the following picture making sure that the top of the tube is at least 25 cm above the top of the table.

 

 

Next use a plumb line to place your target paper on the floor. The plumb line allows you to locate the edge of the table on the paper so that you can measure the horizontal distance each marble travels when it rolls off the table. Draw a line on your paper to mark its location.

 

 

Now tape your target paper to the floor so that it won't move. Place the carbon paper on top of it to record the positions of the marble's strikes.

 

 

To collect data, you will release the marble from 10 different positions/heights along the tube. Do not adjust the clamp or the stand, just place the marble along the tube and measure the height of the side of the tube - you should be able to get 10 positions by decreasing the height by 2 cm with each trial. You will deal with the thickness of the tube later.

 

 

When the marble leaves the table it will fall through the air and strike the carbon paper on top of your target paper. Mark each impact as it occurs, making sure that you know which impact position correlates with each release position. Release the marble twice from each height to insure that your experiment has consistency. Do not worry if the impact points are slightly different - if in doubt, run a third trial.

 

 

Make sure that you replace the carbon paper after you mark each impact before releasing the marble from the next height.

 

When all ten heights have been completed, you may carefully remove your target paper off the floor. Make sure to place all group members' names on the paper, as well as your period.