A meterstick moving at 0888c relative to the earths surface, Ask an Expert

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A meterstick moving at 0.888c relative to the Earth's surface approaches an observer at rest with respect to the Earth's surface.

(a) What is the meterstick's length as measured by the observer?

=______m

(b) Qualitatively, how would the answer to part (a) change if the observer started running toward the meterstick?

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