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Texas Instruments CBR 2 manual Activity 3-ASpeedy Slide, Data collection, Part 2, A Speedier Slide

Models: CBR 2

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Activity 3—A Speedy Slide

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 the slider’s speed. You may not coat the slide with anything that must be washed off.

b.Decide on a plan to best increase the slider’s speed.

c.Describe your plan in the Speedier Slide Plan section below.

2.Test your plan using Part 1, Steps 4–8.

Speedier Slide Plan

Data

Part 1

Speed (m/sec)

Trial 1

Trial 2

Trial 3

Average

Part 2

Data processing

1.Calculate the average speed for your three trials in Part 1. Record the average in the space provided in the Data table. Calculate and record the average speed for Part 2.

2.Subtract your Part 1 average speed from your Part 2 average speed to determine how much your team improved its speed.

3.What methods did other groups use to improve their speeds?

22 GETTING STARTED WITH THE CBR 2™ SONIC MOTION DETECTOR

© 2000 VERNIER SOFTWARE & TECHNOLOGY

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Texas Instruments CBR 2 Activity 3-ASpeedy Slide, Data collection, Part 2, A Speedier Slide, Speedier Slide Plan Data

Contents

Page Important notice regarding book materials Table of Contents Service informationIntroduction Technical informationWhat is the CBR 2 Sonic Motion Detector? CBR 2 Calculator-BasedRangersonic motion detector TI-92Plus, TI-89, TI-89Titanium, and VoyageWhat is the CBR 2 Sonic Motion Detector? cont 1 Download 2 ConnectImportant information Hints for effective data collection Getting better samplesHints for effective data collection cont The clear zoneReflective surfaces Setup data collection for Time Graph Default settingHints for effective data collection cont Sample IntervalHints for effective data collection cont Speed of soundActivity 1-GraphingYour Motion Notes for Teachers ConceptsMaterials HintsActivity 1-GraphingYour Motion LinearObjectives Data collection Distance vs. Time GraphsActivity 1-GraphingYour Motion cont LinearActivity 1-GraphingYour Motion cont Lineare.Sketch your graph on the empty graph provided Activity 2-Matchthe Graph Notes for TeachersConcepts MaterialsActivity 2-Matchthe Graph LinearData collection Activity 2-Matchthe Graph cont LinearExplorations ÏStudy the graph and answer questions 13, 14, andWhat are the units? Activity 3-ASpeedy Slide Notes for TeachersConcepts MaterialsParabolic Activity 3-ASpeedy SlideObjectives Data collection, Part 1, Sliding SpeedActivity 3-ASpeedy Slide cont ParabolicActivity 3-ASpeedy Slide cont ParabolicÐDetermine the slider’s speed Activity 3-ASpeedy Slide Data collection, Part 2, A Speedier SlideSpeedier Slide Plan Data Data processingActivity 3-ASpeedy Slide cont Activity 4-BouncingBall Notes for TeachersConcepts MaterialsActivity 4-BouncingBall ParabolicËRun the EasyData application or RANGER program Activity 4-BouncingBall cont ParabolicExplorations Advanced explorationsActivity 4-BouncingBall AHow do the data plot and the Yn graph compare? Activity 5-RollingBall Notes for TeachersConcepts MaterialsActivity 5-RollingBall ParabolicËRun the EasyData app or RANGER program Activity 5-RollingBall cont ParabolicÍAnswer question Activity 5-RollingBall Teacher Information Explore data graphicallyExplore data numerically Teacher Information cont Teacher Information cont = slope of Distance-Timeplotlim @v dv Teacher Information cont Web-siteresourcesAdditional resources So, @d = ∑ v@t orSonic motion detector data is stored in lists Changing EasyData settings Restoring EasyData settings to the defaultsUsing a CBR 2 Sonic Motion Detector with a CBL System or with CBL 2 System ProgramsSystem or with CBL 2 System Programs cont Using a CBR 2 Sonic Motion Detector with a CBLBatteries In case of difficulty If you have this problemTry this Units 3 Distance MatchInstructions Graph to MatchTI Service and Warranty Texas Instruments TI Warranty InformationFor US Customers Only Customers in the U.S. and Canada OnlyAustralia & New Zealand Customers only All Other Customers