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  • word of the day

    principle of equivalence

    principle of equivalence - 365bet中国官方网站 definition and meaning for word principle of equivalence

    Definition
    (noun) (physics) the principle that an observer has no way of distinguishing whether his laboratory is in a uniform gravitational field or is in an accelerated frame of reference

  • Word used in video below:
    text: "Principle one.
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