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5-kg box is being pushed on a horizontal floor with a force of 30 N at a constant speed of 14 m/s. What is the total work on the box after moving it a distance of 2 meters?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter10: Work, Energy And Machines

Section: Chapter Questions

Problem 8STP

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A 5-kg box is being pushed on a horizontal floor with a force of 30 N at a constant speed of 14 m/s. What is the total work on the box after moving it a distance of 2 meters?

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KEY TERMS 1. work (4.1) 2. joule 3. foot-pound 4. energy (4.2) 5. kinetic energy 6. potential energy 7. gravitational potential energy 8. conservation of total energy (4.3) 9. conservation of mechanical energy 10. power (4.4) 11. watt 12. horsepower 13. kilowatt-hour 14. alternative energy sources (4.6) 15. renewable energy sources For each of the following items, fill in the number of the appropriate Key Term from the preceding list. o. _____ The ability to do work
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