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Introductory Physics Homework Help
Confused about significant figures in official solutions
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[QUOTE="kuruman, post: 6869569, member: 192687"] I agree with you, it is spurious accuracy. However there is a more serious shortcoming in the answers as written. The crate is moving at constant velocity. According to the work-energy theorem. this means that the work done by the pushing force and the work done by friction must add to zero. According to the solution, they do not. That's not the proper way to teach students through answers to questions. [/QUOTE]
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Confused about significant figures in official solutions
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