11 grade physics
posted by Cameron .
A force of 23.0 N is required to start a 3.0 kg box moving across a horizontal concrete floor.
(a) What is the coefficient of static friction between the box and the floor?
1
(b) If the 23.0 N force continues, the box accelerates at 0.50 m/s2. What is the coefficient of kinetic friction?

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