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September 22, 2014

Homework Help: physics

Posted by ann on Wednesday, December 7, 2011 at 8:55pm.

A dockworker loading crates on a ship finds that a 20 kg crate, initially at rest on a horizontal surface, requires a 73 N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 50 N is required to keep it moving with a constant speed. Find the coefficients of static and kinetic friction between crate and floor. *PLEASE HELP*

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