LAB5

.docx

School

Bridgewater State University *

*We aren’t endorsed by this school

Course

100

Subject

Physics

Date

Dec 6, 2023

Type

docx

Pages

5

Uploaded by CommodoreIceMandrill35 on coursehero.com

Lab 5: 2D Motion - Projectile Motion This is the manual and the answer file for Lab 5. One student from your group will be sending this file to the instructor, but ALL students should be doing the lab. Every student needs to have a copy of the file because it will be helpful for future HW assignments and exams, as well as a proof of doing the lab. Please TYPE below the number of your group and the names of the students in the group. Group # 1 Names: 1) Eddie Tsvetanov 2) Alex mayo 3) nick pleteau 4) quader khawaja During the lab you should follow this manual and enter your answers in the appropriate places. All files required for this lab are available on BB. When the lab is done, one student from your lab group needs to email the file with the answers to the instructor. But ALL students have to retain a copy of the completed file. INVESTIGATION 1: TWO-DIMENSIONAL MOTION - PROJECTILE MOTION I. First, let’s take a look at the video of a ball captured from two different perspectives. Open file Lab5_Video1 (use the link on BB, no need to download). The video (about 90 seconds) shows the motion of a ball taped in a slow-motion mode. Watch the video in full. It demonstrates three views: the side view shows the actual motion of the projectile, and there are views that show only one component of that motion, the horizontal component and the vertical component. NOTE : you can find some theoretical review in the Appendix at the end of this file. Q1: Based on your observation, state if the horizontal motion of the ball represents MCV or MCA (i.e. if the horizontal coordinate of the ball is moving with constant velocity or constant acceleration, or neither). the horizontal component of the ball's velocity remains constant Q2: Based on your observation, state if the vertical motion of the ball represents MCV or MCA (i.e. if the vertical coordinate of the ball is moving with constant velocity or constant acceleration, or neither). the vertical component experiences acceleration due to gravity. II. Your next goal is to develop a graph for the x -coordinate and the y - coordinate of the basketball that is tossed to a hoop. For that you will
use Tracker App and another video. 1. Download from BB to your desktop Lab5_Video2 file. 2. Open the file with Tracker App (see the picture on the right). 3. You will need to follow the procedure you learned and used in Lab1. In short: you need to set the reference frame , move the origin to a convenient location, use to set a new Point Mass => , and then track the motion of the ball using a left-shift key on the keyboard (to refresh the data-taking strategy please refer to your lab 1 file). NOTE: you have to trace a FREE-fall motion of the projectile , i.e. when hands or floor do NOT touch the ball. Do NOT trace AFTER the ball bounces off the floor. 4. Take as many data points as possible. In the end of the data-taking process Tracker will have two graphs - one for the x-coordinate and another one for the y-coordinate of a ball as well as a table with three columns: time, x-coordinate, and y-coordinate . Do not convert pixels into meters. 5. Transfer from Tracker into Graphical Analysis data for time and x -coordinate. 6. Select and then apply an appropriate best fit. Copy the graph with the motion equation in this file. Your graph.
Make sure your graph sows how x -coordinate depends on time. 7. Copy below the motion equation and state if that is the equation for the motion with constant velocity or for the motion with constant acceleration. State the value for x -component of the acceleration, a x = … Y= 135x+-26.26 8. Clean up in the Tracker data for x -coordinate and replace with the data for y -coordinate. 9. Select and then apply an appropriate best fit. Copy the graph with the motion equation in this file.
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