Northern Virginia Community College CH2 Graphing and Fitting Data Physics Lab

User Generated

YRTNY_3738_1621054305

Science

Physics 201

Northern Virginia Community College

PHYS

Description

Instructions are very clearly stated at the start of this lab. The program 'Logger Pro' must be used for this assignment you will see its instructions in the questions. If you have any extra inquiries please let me know. Also, please have solutions typed and show as much as work as possible. Thank you

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Physics 201 Lab 1 – Working with Numbers Name _____________________________ Anything that you type must be highlighted in order to distinguish your writing from the original text. Do not edit any of the text in this document. Just type your answers under the appropriate question. You must submit all Logger Pro (.cmbl) files with your report. Please delete any videos within the .cmbl file before saving it and submitting it. This is a word document and you can type your answer directly into the lab for submission. You will need to download and install LoggerPro to do this lab. Instructions for doing this are available in Blackboard. Please follow the directions for doing this carefully. All students are required to have access to a computer which can access and open all course material. Read the articles on Measurements and Graphing and Fitting Data. Also read, print out and keep handy the papers on Principle Formulas and Some Useful Information. Please make sure you follow the directions for each problem carefully. 1. After completing this lab, be sure to take the online quiz on Blackboard under Lab 01. Do not take this quiz until you have read the material above. You will have only one chance to complete it. 2. You will submit this completed in lab in Blackboard at the same location that you downloaded it from. 3. Use the Logger Pro software to make a plot of the position vs time given in the following table. You are an astronaut on an unknown planet. You want to determine the acceleration of gravity on this planet so you go to top of a high cliff and drop a rock over the edge. The dependent variable is the position and the independent variable is the time. The table below is the measured position of a rock as it falls from the top of the cliff. The rock obeys the kinematic equation y = vot + ½ gt2 where g represents the acceleration due to gravity. Make a plot of the data in LoggerPro and making sure you label the plot properly. 2020-06-13 Measurement Position (m) Time (s) 1 0 0.0 2 26.8 1.00 3 60.3 2.00 4 107. 3.00 5 168. 4.00 6 241. 5.00 7 328. 6.00 8 429. 7.00 9 543. 8.00 10 670. 9.00 Physics 201 4. Fit a quadratic equation, y = At + Bt + C , using the curve fit tool of Logger Pro. Click on Analyze at the top of Logger Pro and then select the Curve Fit option. If you do a manual fit of the data, make sure you adjust the parameters of the fit equation to get the lowest RMSE value you can, but you can usually just have Logger Pro do an automatic fit. Copy and paste the plot you just made into this document here. 20 pts 2 5. Compare the kinematics equation governing the motion and the format of the fit equation that you just made to explain how you can use the coefficients (either A, B, or C) to calculate the acceleration due to gravity. 13 pts 6. Identify the coefficients of your fit equation. 5 pts A= B= C= 7. Calculate “g” for the unknown planet using the method described in question 5. 12 pts 2020-06-13 Physics 201 Imagine a pool ball rolling briskly along on a flat, level track for a distance of less than a meter. Your goal in this activity is (1) to predict what a graph of the ball’s position vs. time (or x vs. t) will look like and (2) to use Logger Pro software to analyze a digital video clip of a rolling ball to test your prediction and find the speed of the ball as a function of time. 1. Preliminary Questions Note: Read Chapter 2 of your text on Kinematics. (a) Imagine a ball rolling briskly along on a flat, level surface for a distance of less than a meter. How would it move? Would you expect to see it speeding up, moving at a constant speed, or slowing down? Explain your reasoning. . 10 pts (b) If you were to play a movie of the ball rolling on a level table and/or replay it on a frame-by-frame basis, how could you test your prediction about its motion? Explain. 10 pts (c) Which equation describes the motion of a ball along an x-axis when it is (A) speeding up, (B) moving at a constant velocity, and (C) slowing down. Type the letter in the space provided. 10 pts _______ x = mt + b m0 ______ x = mt + bt + c m0 _______ x = mt + b m0 ______ x = mt + bt + c m0 2020-06-13 2 2 Physics 201 2. Activity-Based Questions (a) Open the file
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Explanation & Answer

HI, Please check the attached file for details, let me know if you have any questions, thank you and good luck. Best, James

Physics 201

Lab 1 – Working with Numbers

Name _____________________________

Anything that you type must be highlighted in order to distinguish your writing from the original text. Do not edit
any of the text in this document. Just type your answers under the appropriate question. You must submit all Logger
Pro (.cmbl) files with your report. Please delete any videos within the .cmbl file before saving it and submitting it.
This is a word document and you can type your answer directly into the lab for submission. You will need to
download and install LoggerPro to do this lab. Instructions for doing this are available in Blackboard. Please follow
the directions for doing this carefully. All students are required to have access to a computer which can access and
open all course material.
Read the articles on Measurements and Graphing and Fitting Data. Also read, print out an...


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