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Rapidity

physical science Maturity 11-13

Things can move very fast.

Add velocity Earth POV.svg
Add velocity Earth POV.svg
We use a special way to measure speed. It helps when things move near light. It makes math easy to do. It is a smart way to see motion. Do you like to go fast?

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File:Inverse Hyperbolic Tangent.svg
Inverse Hyperbolic Tangent.svg
File:Add_velocity_Earth_POV.svg
Add_velocity_Earth_POV.svg
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📚 Content adapted from Wikipedia | Readability: FK 17.1 | Vital Level 5