February 28, 2017

Homework Help: Physics

Posted by Grant on Thursday, October 30, 2008 at 8:51am.

A force of 23.0 N is required to start a 3.1 kg box moving across a horizontal concrete floor.
(a) What is the coefficient of static friction between the box and the floor?

(b) If the 23.0 N force continues, the box accelerates at 0.50 m/s2. What is the coefficient of kinetic friction?

How do I find the answer to part b?

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