PHYSICS151 University of Alabama Galileo Pendulum Physics Paper

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Question Description

I need help with physics assignment please see the materials in attachments.

I need help with physics assignment please see the materials in attachments.

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Welcome to your first For Your Investigation (FYI). Here's what you need to do: 1. Watch the video in "Overview..." to see the apparatus in action. 2. Acquire the parts that you'll need. (See "Apparatus items...") 3. Download the Excel file, "Pendula Analysis." It contains further instructions and will be the platform for analyzing your data. 4. Download the Word document, "Galileos Pendulum." This document is the report that you will file. (After completing it, you will save the report as a PDF document and upload the PDF version of the report into the appropriate assignment folder.) https://www.youtube.com/watch?time_continue=13&v=N-7nuGwLAy0 What you will need for the Galileo's Pendulum FYI You will need... • • • • • a meterstick some string and a pair of scissors six, 1/2-inch metal washers one eight-inch mending bar a timing device (the stopwatch on a smartphone will work fine) All of these objects are readily available at major "big box" retailors, such as Walmart. (Look for the washers and the mending bar in the "hardware" section of the store.) Here's an overview of some of the items. Galileo’s Pendulum FYI Galileo used to get bored in church. He would spend his time watching the huge candelabras swinging from the ceiling. Some of the candelabra’s suspension ropes were longer than others, and he noticed that the length of the suspension cord seemed to be related to the time that it took the candelabra to swing back and forth. Even though he didn’t invent the “grandfather clock,” his observation was incorporated into their design. The pendulum in the clock swings very evenly and helps the clock keep accurate time. If the timing of the clock is off, the length of the pendulum can be adjusted in order to bring the clock back into the correct rhythm. With the size of the clock shown at the right, it takes one second for the pendulum to move from the right to the left and back again to its original position. (The amount of time that it takes to complete the motion of “over-and-back” is called the period.) In this FYI, you will build a pendulum and investigate how the length of the pendulum affects the value of the period. PreLab Questions Answer these questions (put the answers in your report) before you get your data. 1. Which variable do you think will have the stronger effect on the period of the pendulum: its length or its mass? 2. Three relationships are shown on the simulated data page: square-root, linear and inverse. Which do you expect will correctly describe the relationship between the length of the pendulum and its period? Directions 1. Get the supplies that you need: string, scissors, meter stick, mending plate, washers and stopwatch. 2. Set up your apparatus as shown in the overview video. 3. To get a value for the length of the pendulum, measure from the bottom of the mending plate to the middle of the washers. 4. To get a value for the period of the pendulum, measure the amount of time that it takes the washers to oscillate back-and-forth ten times, then divide that amount of time by ten. (This averaging technique will reduce the amount of error in your timing measurements.) 5. Enter the values of the length and the period in the appropriate data table. Note: • • • • You will collect data for three different pendula. The first will have two washers, the second will have four washers, and the third will have six washers attached. The graphs will have a data set for each of your pendula, that way you can compare the effects of pendulum length and pendulum mass at the same time. You will use twelve different lengths for each pendulum data set. You do not need to use the same lengths for each pendulum. © 2015 Sean M. Cordry and Walsters State Community College Simulated Data L = length of pendulum, measured from center of washer to bar. T = average of ten periods of motion. Keep your length between 0.20 meters and 1.00 meters. Four Washers L (m) T (s) 0,931 1,746 0,924 1,733 0,865 1,622 0,566 1,061 0,455 0,853 0,598 1,121 0,724 1,358 0,676 1,268 0,887 1,663 0,353 0,662 0,695 1,303 0,545 1,022 Six Washers L (m) T (s) 0,671 0,745 0,343 1,458 0,884 0,566 0,255 1,961 0,974 0,513 0,553 0,904 0,894 0,559 0,397 1,259 0,334 1,497 0,773 0,647 0,558 0,896 0,959 0,521 y = 2,0061x0,5 1,800 1,600 Period of Oscillation (s) 1 2 3 4 5 6 7 8 9 10 11 12 Two Washers L (m) T (s) 0,352 1,190 0,935 1,940 0,740 1,726 0,586 1,536 0,789 1,782 0,939 1,944 0,307 1,112 0,756 1,744 0,964 1,970 0,505 1,426 0,204 0,906 0,806 1,801 (Simulated) Period as a Function of Length 2,000 y = 1,875x 1,400 1,200 1,000 0,800 y = 0,5x-1 0,600 0,400 0,200 0,000 0,200 0,300 0,400 0,500 0,600 0,700 0,800 Pendulum Length (m) Two Washers Four Washers Six Washers Power (Two Washers) Linear (Four Washers) Power (Six Washers) WARNING! Your data will only look like one of these graphs above. This is pretend data, and your data will look different. To get a value for the length of the pendulum (L), use your meterstick to measure the distance from the bottom of the mending bar to the center of the washers. To get a value for the period of the pendulum (T), use your stopwatch to find the amount of time for ten full swings of overand-back. Then divide that number by ten to get the average amount of time for a single swing. © 2015 Sean M. Cordry and Walsters State Community College 0,900 1,000 Your Data L = length of pendulum, measured from center of washer to bar. T = average of ten periods of motion. Keep your length between 0.20 meters and 1.00 meters. Two Washers L (m) T (s) Four Washers L (m) T (s) Period as a Function of Length -- Fall 2019 2,000 Six Washers L (m) T (s) 1,800 1,600 1 2 3 4 5 6 7 8 9 10 11 12 Period of Oscillation (s) 1,400 1,200 1,000 0,800 0,600 0,400 0,200 0,000 0,200 0,300 0,400 0,500 0,600 0,700 Pendulum Length (m) Two Washers © 2015 Sean M. Cordry and Walsters State Community College Four Washers Six Washers 0,800 0,900 1,000 Galileo’s Pendulum Pre-Lab Answer the following questions based on the lessons on data and the instructions provided in the Excel worksheet. Use proper complete sentences for your responses. Review Question Which variable (length or mass) do Q1 you expect to have a larger effect on the pendulum? Which relationship do you Q2 anticipate seeing: square-root, linear, or inverse? Your Answer Your answer for Q1 here. Your answer for Q2 here. Apparatus Figure 1: Apparatus Selfie Photo Figure 2: Apparatus in Action Photo (Click to import your pic.) (Click to import your pic.) Caption: Caption for apparatus picture Caption: Caption for action photo © 2015 Sean M. Cordry and Walters State Community College Galileo’s Pendulum Pg. 2 Results Insert a picture of your graph, “Period as a Function of Length.” (Use the “Snipping Tool.”) Figure 3: Graph of Results Caption: Caption for graph © 2015 Sean M. Cordry and Walters State Community College Galileo’s Pendulum Pg. 3 Analysis and Implications Answer the following questions based on your experience. Analysis Question Looking at the graph of your data Q3 sets, which had more of an effect: the length or the mass? What is the relationship between Q4 the period and the length? If you had to make a grandfather Q5 clock tick more slowly, how would you adjust its length? Use your graph to estimate the Q6 period of a pendulum that had a length of 2.00 meters. Provide a real-life example of Q7 where you can see pendula (other than a grandfather clock). What is something that you gained (knowledge, experience, Q8 awareness, etc.) that you did not have prior to completing the experiment? Your Answer Your answer for Q3 here Your answer for Q4 here Your answer for Q5 here Your answer for Q6 here Your answer for Q7 here Your answer for Q8 here Additional Instructions • • Convert this document to PDF format and then upload it to the appropriate dropbox. If you experience technical issues importing your images or graphics, or if you have trouble converting the document to PDF format, you will need to get guidance from someone at your home institution. Partial or fragmented documentation and images will not be accepted. © 2015 Sean M. Cordry and Walters State Community College ...
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Tutor Answer

jb1968ball
School: UT Austin

Need to upload the graph. I got all 3 trendlines and all three graphs on the same plot.
OK. Here is the Word Document with PreLab and PostLab questions and the Graph of 3 overlaid plots.Please look it all over now and let me know if anything needs revised or corrected.

Galileo’s Pendulum

Pre-Lab
Answer the following questions based on the lessons on data and the instructions provided in the
Excel worksheet. Use proper complete sentences for your responses.
Review Question

Which variable (length or mass) do
Q1 you expect to have a larger effect
on the pendulum?

Which relationship do you
Q2 anticipate seeing: square-root,
linear, or inverse?

Your Answer
Mass has no affect on the period of the pendulum. The
force of gravity pulling down on the added weight of the
washers is balanced by an equal and opposite force of
the tension in the string which acts in the opposite
direction as the force of the weight. The length of the
...

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