Understanding Work and Energy: Step-by-Step Problem Solving Guide

[muna580]

I was just praticing some problems based on the work/enegry. Well, I am confused, and I have no idea how to do this. Cna someone please help me?

http://img228.imageshack.us/img228/4813/untitled1tj3.jpg

Can you please give me a step by step explantion on how to do this.

 

[berkeman]

1986M1a looks to be pretty straightforward. How would you start this problem? What would the free body diagram look like?

 

[muna580]

This is the qeustion I need help with, can you please help

http://img228.imageshack.us/img228/4813/untitled1tj3.jpg

 

[berkeman]

This is the qeustion I need help with, can you please help

http://img228.imageshack.us/img228/4813/untitled1tj3.jpg

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Sure. What is the spring constant equation? How does it apply to this problem? What equations are you setting up versus time?