1. A worker leaves home at 9:00 AM, travels 40 km to the office, and then retur

Physics
Tutor: None Selected Time limit: 1 Day

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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May 17th, 2015

1. Distance from home to office =40 km

  Distance from office to home =40km

Total distance travelled (displacement)=40km+40km

                                                               =80km

2.Pushing a penny from 4.3cm mark to 19.2cm has a dispalcement of 19.2cn -4.3 cm=14.9cm

May 17th, 2015

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