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cloveb cloveb
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Posts: 782
6 years ago
The block shown in the diagram slides at constant speed to the right. How much work is done by kinetic friction after the block has traveled 6 m? F1 is 10 N and F2 is 15 N and it points at 37± above the horizontal.

(1) °130 J (2) °60 J (3) °72 J (4) °90 J (5) None of these.

PHY2053, Summer 2012 Exam
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