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The Indy 100

Experiment #14 from Exploring Physical Science

Education Level
Middle School


In this activity, you will race a car down a ramp. The fastest car will be the one that reaches the highest velocity going down the ramp. You will measure speed with a Motion Detector.


  • Prepare a car for a race.
  • Measure velocity using a Motion Detector.
  • Determine the fastest car in your class.

Sensors and Equipment

This experiment features the following sensors and equipment. Additional equipment may be required.

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This experiment is #14 of Exploring Physical Science. The experiment in the book includes student instructions as well as instructor information for set up, helpful hints, and sample graphs and data.

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