Marry pulls a box to her room that is 8.0m away by exerting a force of an angle of 18 degrees with the horizontal. If the amount of work she does is 190 J. What is the magnitude of the force Marry applied?

Physics for Scientists and Engineers: Foundations and Connections
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Author:Katz, Debora M.
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Chapter9: Energy In Nonisolated Systems
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Marry pulls a box to her room that is 8.0m away by exerting a force of an angle of 18 degrees with the horizontal. If the amount of work she does is 190 J. What is the magnitude of the force Marry applied?

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