November 29, 2015

Homework Help: physics

Posted by rory on Friday, February 29, 2008 at 10:00am.

A man pulls a crate of mass 63.0 kg across a level floor. He pulls with a force of 174.0 N at an angle of 22.0 above the horizontal. When the crate is moving, the frictional force between the floor and the crate has a magnitude of 124.0 N.
If the crate starts from rest, how fast will it be moving after the man has pulled it a distance of 2.90 m?

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