We’ll be looking here at a ball rolling off a table and falling to the floor. In particular we’re interested in seeing whether the timing, i.e. how long it takes the ball to hit the floor, depends on how fast the ball is rolling. Materials Needed: A small ball or marble, a tape measure for measuring table height, and two tables or counters of different heights. You’ll also need a timer, but should be able to use your phone for that. Procedure: This procedure you’ll repeat 4 times. You’ll use two different tables and roll the ball off the table slowly for one set of trials and fast for another set of trials. 1. Select a table or counter in your home and measure the height of the table and record it in your spreadsheet. • You’ll need to convert inches to meters (1 in = 0.0254 m) or cm to meters (1 cm 0.01 m). 2. Roll the ball of the table. 7:51 1 nil LTE Take Quiz Exit When the ball leaves the table Voy = 0 and yo equals the height of the table. When the ball hits the floor, y = 0. Putting these values in and solving for t, we get 2 y t = 6. Calculate the percent error on your measurement, which is given by tave – t calc %Error = 1 t calc Do not worry if your error seems large. 7. Repeat 1 through 6 at a faster speed. 8. Select a different table and repeat 1 through 7. Remember to upload your Excel file with your data and calculated results. 7:51 1 nil LTE Take Quiz Exit D Question 2 2 pts Discuss the following questions and justify your answer using your data and the theoretical calculations. 1) Does the speed of the ball coming off of the table affect the time it takes for the ball to hit the floor? 2) Does the height of the table affect the time it takes for the ball to hit the floor? 3) What does the speed of the ball impact the most? This may not be a measured quantity. 12pt Paragraph v B I U A 7:51 1 nil LTE Take Quiz Exit 1. Select a table or counter in your home and measure the height of the table and record it in your spreadsheet. • You’ll need to convert inches to meters (1 in = 0.0254 m) or cm to meters (1 cm = 0.01 m). 2. Roll the ball of the table. • In the first set of 10 trials you will roll the ball slowly of the table. • In the second set of 10 trials you will roll the ball faster. 3. Measure the amount of time it takes for the ball to hit the floor. Record the results for 10 different trials. 4. Average the results. 5. Calculate the expected time. This comes from y : ? 1 -gt- + Voyt + yo. 2 When the ball leaves the table Voy = 0 , and yo equals the height of the table.Do you similar assignment and would want someone to complete it for you? Click on the **ORDER NOW** option to get instant services at **essayloop.com**

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