Posted by **Jem** on Thursday, December 1, 2011 at 8:43pm.

A 2.97 kg block initially at rest is pulled to the right along a horizontal surface by a constant, horizontal force of 12.9 N. The coeﬃcient of

kinetic friction is 0.126. The acceleration of gravity is 9.8 m/s^2.

Find the speed of the block after it has

moved 2.92 m.

What equation should we use or what? Thanks

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