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Physics I Practice Problems 20a through 20c (and their solutions) cover work done by gravity near the surface of the earth; work done by the spring force; and work done by the inverse square gravitational force.
This resource is part of the MIT OpenCourseWare - AP Physics - Work, Energy, Power collection.
Course: 8.01L Physics I: Classical Mechanics, Fall 2005
Instructor: Dr. George Stephans
Dr. George Stephans, 8.01L Physics I: Classical Mechanics, Fall 2005. (Massachusetts Institute of Technology: MIT OpenCourseWare), http://ocw.mit.edu (Accessed November 21, 2008). License: Creative Commons BY-NC-SA
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