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Physics 18 Online
OpenStudy (anonymous):

A 0.56{\rm -kg} book slides on a horizontal table. The kinetic friction force on the book has magnitude 1.3N . How much work is done on the book by friction during a displacement of 3.2m to the left? The book now slides a distance 3.2m to the right, returning to its starting point. During this second displacement of 3.2m , how much work is done on the book by friction? What is the total work done on the book by friction during the complete round trip? Express your answer using two significa

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