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July 30, 2015

Homework Help: Repost-Physics 1

Posted by John on Tuesday, October 9, 2012 at 9:19pm.

A horizontal force of 30 N pulls a block of mass 2.5 kg across a level floor. The coefficient of kinetic friction between the block and the floor is
ěK = 0.25.
If the block begins with a speed of 2.0 m/s and is pulled for a distance of 18 m, what is the final speed of the block? ____m/s

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