# science

A runner completes one full lap around a 400 meter track. What is her
displacement?

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2. 👎
3. 👁
1. Zero, unless she runs in an outer staggered lane. In that case she does not start at the finish line.

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2. 👎
2. bf

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2. 👎
3. 10

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2. 👎
4. Zero. She finished where she started, therefore no displacement, or change in postion.

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2. 👎

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