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fuzzylogic
Sep15-10, 10:41 AM
http://img827.imageshack.us/img827/1590/pulleys.jpg


In this problem, we have m2>m1 and m2 is raised to height h and m1 is pinned to the ground at t<0
at t=0, m1 is released and m2 starts to fall. What is the PE of:
1. m2 for t<0
2. m1 and m2 system for t<0
3. m2 for t=0
4. m2 for t>0 before it reaches the ground?
4. m1 and m2 system for t>0 before m2 reaches the ground?

Assume frictionless pulley and massless rope.