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Homework Statement
A 0.10 kg flat wooden block is sitting on a vertical massless spring of spring constant 2000 N/m. An identical block is dropped from a height of 1.00 m above the first block. The collision between the two blocks is perfectly inelastic. How far down is the the spring compressed? Neglect air drag and friction in the spring.
Homework Equations
Conservation of Energy? Energy absorbed by spring = (1/2)(kX^2)
The Attempt at a Solution
Do I need to be concerned with potential energy? So far, I set up the equation:
(1/2)(2000)y2 - (1)(9.8)y + (1)(9.8) = 0 but that didnt give me the correct answer...Im confused as to why!
Any suggestions would be awesome, thanks in advance...
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