Homework Help: physics please help

Posted by tim on Tuesday, November 16, 2010 at 12:38am.

A 8.6 kg board is wedged into a corner and held by a spring at a 50.0° angle, as the drawing shows. The spring has a spring constant of 186 N/m and is parallel to the floor. Find the amount by which the spring is stretched from its unstrained length.

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