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Length Contraction loading

As the velocity of an object approaches the speed of light it appears to change length to a stationary observer.

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Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
  • Read
    Length Contraction

    Length Contraction

    by CK-12 //at grade
    Students will learn how length contraction follows from time dilation and the meaning of the gamma factor.
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  • Interactive Simulations
    Black Hole

    Black Hole

    by CK-12 //at grade
    Watch a clock slow down in the strong gravitational field near the event horizon of a massive black hole.
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  • Video
    Time Dilation

    Time Dilation

    by CK-12 //at grade
    Explains why there is time dilation for objects moving close to the speed of light.
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  • Practice
    Length Contraction Practice
    Estimated4 minsto complete

    Length Contraction Practice

    by CK-12 //at grade
     
     
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  • Critical Thinking
    Length Contraction Discussion Questions

    Length Contraction Discussion Questions

    by CK-12 //at grade
    A list of student-submitted discussion questions for Length Contraction.
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    This indicates how strong in your memory this concept is
  • Study Guide
    Relativity Study Guide

    Relativity Study Guide

    by CK-12 //at grade
    This study guide gives an overview of special relativity and general relativity: a look at time dilation, length contraction, relativistic mass and kinetic energy, twins paradox, and spacetime.
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