Science Homework Help

1. A worker leaves home at 9:00 AM, travels 40 km to the office, and then returns home at 5:00 PM. What is the magnitude of the worker’s displacement during this 8-hour span of time?

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2. The center of a penny is pushed from the 4.3-cm mark of a ruler to the 19.2-cm mark. What is the displacement of the penny?

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