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July 23, 2014

Homework Help: Physics 1

Posted by Jon on Saturday, October 1, 2011 at 1:45am.

A mass of 8 kg lies on a horizontal, frictionless floor. A force of 53 Newtons pushes to the left (negative x direction) with a force of 53 Newtons. Another force of unknown magnitude pushes the mass in a direction of 28.5 degrees above the positive x axis. The mass is originally at rest before these forces are applied and 2.9 seconds after the forces have been applied, the mass has moved to the left a distance of 11.5 meters. What is the magnitude of the unknown force in Newtons?

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