- #1
flyingpig
- 2,579
- 1
Homework Statement
[PLAIN]http://img33.imageshack.us/img33/8751/49753333t.jpg
Problem #2
[PLAIN]http://img121.imageshack.us/img121/5574/35712633.jpg
My question is, why do they take positive x0? Shouldn't it be negative since it is that amount of x displacement away from the spring?
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