Texas Instruments CBR 2 - Manuals

© 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR 5 Run For TI-83 and TI-84 family calculator users: Run the EasyData App on the graphing calculator connected to the CBR 2™ motion detector. Proceed to step 1, if using a TI-83 Plus-family ...

6 G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR © 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED Hints for effective data collection Getting better samples How does the CBR 2™ sonic motion detector work? Understanding how a sonic motion detector works can help you get better data pl...

© 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR 7 Hints for effective data collection (cont.) The clear zone The path of the CBR 2™ motion detector beam is not a narrow, pencil-like beam, but fans out in all directions up to 15° from ce...

8 G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR © 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED Hints for effective data collection (cont.) EasyData settings (for TI-83, TI-83 Plus, TI-84, and TI-84 Plus users only) Setup data collection for Time Graph Experiment length is the tota...

© 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR 9 Hints for effective data collection (cont.) Speed of sound The approximate distance to the object is calculated by assuming a nominal speed of sound. However, actual speed of sound varie...

10 G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR © 2000 V ERNIER S OFTWARE & T ECHNOLOGY Activity 1—Graphing Your Motion Notes for Teachers Concepts Function explored: linear Materials Ÿ calculator (see page 2 for available models) Ÿ CBR 2™ motion detector Ÿ unit-to-CBR 2™ or I/O un...

© 2000 V ERNIER S OFTWARE & T ECHNOLOGY G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR 11 Activity 1—Graphing Your Motion Linear Graphs made using a CBR 2™ motion detector can be used to study motion. In this experiment, you will use a CBR 2™ motion detector to make graphs of your ow...

12 G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR © 2000 V ERNIER S OFTWARE & T ECHNOLOGY Activity 1—Graphing Your Motion (cont.) Linear Î To set up the calculator for data collection using EasyData: TI-83/84 Family users a. Select Setup (press p ) to open the Setup menu. b. Press 2 ...

14 G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR © 2004 T EXAS I NSTRUMENTS I NCORPORATED Activity 2—Match the Graph Notes for Teachers Concepts Function explored: linear Distance Match introduces the real-world concepts of distance and time—or more precisely, the concept of distance ve...

© 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR 15 Activity 2—Match the Graph Linear Data collection Ê Hold the CBR 2™ motion detector in one hand, and the calculator in the other. Aim the sensor directly at a wall. Hints: The maximum d...

16 G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR © 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED Activity 2—Match the Graph (cont.) Linear Ï Position yourself where you think the graph begins. Select Start (press p ) to begin data collection. You can hear a clicking sound and see t...

© 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR 17 Activity 2—Match the Graph Name ___________________________________ Data collection 1. What physical property is represented along the x-axis? _____________________________________ What...

18 G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR © 2000 V ERNIER S OFTWARE & T ECHNOLOGY Activity 3—A Speedy Slide Notes for Teachers Concepts Function explored: parabolic The motion of sliding down a playground slide is used to illustrate the real-world concept of changing velocity...

© 2000 V ERNIER S OFTWARE & T ECHNOLOGY G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR 21 Activity 3—A Speedy Slide (cont.) Parabolic Ð Determine the slider’s speed. a. After data collection stops and a graph of distance versus time is displayed, select Plots (press p ). b. Press 2 t...

22 G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR © 2000 V ERNIER S OFTWARE & T ECHNOLOGY Activity 3—A Speedy Slide Name __________________________________ Data collection, Part 2, A Speedier Slide 1. Design a plan to increase the slider’s speed. a. Try out some ideas for increasing ...

© 2000 V ERNIER S OFTWARE & T ECHNOLOGY G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR 23 Activity 3—A Speedy Slide (cont.) 4 . Which of the methods worked best? Explain why it worked best. 5. If you could increase the height of the slide, how would the slider’s speed be affected? 6....

24 G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR © 2004 T EXAS I NSTRUMENTS I NCORPORATED Activity 4—Bouncing Ball Notes for Teachers Concepts Function explored: parabolic Real-world concepts such as free-falling and bouncing objects, gravity, and constant acceleration are examples of p...

© 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR 25 Activity 4—Bouncing Ball Parabolic Data collection Ê Begin with a test bounce. Drop the ball (do not throw it). Hints: Position the CBR 2™ motion detector at least 0.5 meters (about 1.5...

26 G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR © 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED Activity 4—Bouncing Ball (cont.) Parabolic Explorations The Distance-Time plot of the bounce forms a parabola. Ê The plot is in Trace mode. Press ~ to determine the vertex of the first ...

© 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR 27 Activity 4—Bouncing Ball Name ___________________________________ Data collection 1. What physical property is represented along the x-axis? _____________________________________ What a...

© 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR 29 Activity 5—Rolling Ball Parabolic Data collection Ê Answer question 1 on the activity sheet . Use the protractor to set the ramp at a 15° incline. Lay the CBR 2™ motion detector on the ...

30 G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR © 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED Activity 5—Rolling Ball (cont.) Parabolic g. Select Next (press q ) to display a summary of the new settings. h. Select OK (press s ) to return to the main screen. Í When the settings a...

© 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR 31 Activity 5—Rolling Ball Name ___________________________________ Data collection 1. Which of these plots do you think best matches the Distance-Time plot of a ball rolling down a ramp? ...

32 G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR © 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED Teacher Information How might your classes change with a CBR 2™ sonic motion detector? The CBR 2™ motion detector is an easy-to-use system with features that help you integrate it into ...

34 G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR © 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED Teacher Information (cont.) A typical CBR 2™ motion detector Velocity-Time plot actually represents speed, not velocity. Only the magnitude (which can be positive, negative, or zero) is...

© 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR 35 Teacher Information (cont.) The area under the Velocity-Time plot from t 1 to t 2 = @ d = ( d 2 N d 1 ) = displacement from t 1 to t 2 (net distance traveled). So, @ d = ( ∑ t=1 t=2 v( ...

36 G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR © 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED Sonic motion detector data is stored in lists Collected data is stored in lists L1, L6, L7, and L8 in EasyData When the CBR 2™ motion detector collects data, it automatically transfers ...

38 G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR © 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED Using a CBR 2™ Sonic Motion Detector with a CBL 2™ System or with CBL 2™ System Programs Using a CBR 2™ sonic motion detector as a conventional motion detector with a CBL 2™ System The ...

© 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR 39 Using a CBR 2™ Sonic Motion Detector with a CBL 2™ System or with CBL 2™ System Programs (cont.) Î DataMate automatically identifies the CBL 2™ sensors, loads its calibration factors, a...

40 G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR © 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED Batteries Battery type CBR 2™ motion detector is designed to operate with 4 AA alkaline batteries. CBR 2™ motion detector can run without batteries only if attached to a CBL 2™ . Batter...

© 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR 41 In case of difficulty If you have this problem: Try this: Difficulty collecting data Check for a poor calculator-to- CBR 2™ motion detector connection. Always push in firmly on both end...

© 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR 43 TI Service and Warranty For US Customers Only For general information Home Page: education.ti.com KnowledgeBase and E-mail Inquiries: education.ti.com/support Phone: (800) TI-CARES; (80...

44 G ETTING S TARTED WITH THE CBR 2™ S ONIC M OTION D ETECTOR © 1997, 2004, 2006 T EXAS I NSTRUMENTS I NCORPORATED Warranty Performance. During the above one (1) year warranty period, your defective product will be either repaired or replaced with a reconditioned model of an equivalent quality (at T...