Physics: Principles and Problems
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Chapter 3: Describing Motion
An Internet WebQuest
Integrate the power of the Web with this inquiry-oriented student learning activity
Describing Motion with Words
Visit this site for a nice review and detailed explanation of vector/scalar, velocity/speed, distance/displacement, and acceleration.

RWOL: Records, Rankings and Statistics

Here you can find national and world records for Track & Field, plus other statistics. Visit this site and calculate the average velocity of the male and female world-record holders in the 200-m dash.

The Fastest Car
From PBS's NOVA, this site gives an historical perspective of land speed records and those trying to break it. Visit this site and link back to NOVA‚s site on cars that might even be able to break the sound barrier. How many minutes would it have taken Henry Seagrave to travel the length of Daytona Beach at his record-breaking speed?

Laser Doppler Velocimetry (LDV)
Visit a branch of NASA that conducts R&D programs on instrumentation systems and sensors using optical technology. How can lasers be used to measure velocity?

Energywise Options
This is an informative site about how high-speed rail and magnetic levitation work. What is the estimated maximum speed of a mag-lev system?

The Speedometer
This is a brief, but efficient explanation of how a mechanical speedometer works. Visit this site and determine if this is measuring speed or velocity.


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Physics: Principles and Problems