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OpenStudy (anonymous):
A force of 40 N is required to start a 5 kg box moving across a horizontal concrete floor. If the 40 N force continues, the box accelerates at 0.7 m/s^2. What is the coefficient of kinetic friction?
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OpenStudy (anonymous):
|dw:1340950256686:dw| which implies kinetic friction fk is 5N and therfor coefficient of kinetic friction is 0.1
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