World Science Scholars
35.2 The Pole in the Barn: Lock the Doors
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How can the pole crush if it is, say, made of steel?
You asked us to think about why 𝛥𝐿₀ comes into the calculation of how far the pole will move relative to the barn while its front clock is ‘catching up’ to its rear clock. I’m still unsure of the answer. Help please.

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