Posted by **juanpro** on Sunday, July 6, 2014 at 10:46am.

You drop a block from rest. The block lands on the spring (spring constant = 160Nm) and compresses it .5 m before the block and spring momentarilty come to rest. (The spring then pushes the block upward.) What is the mass of the block?

If needed, g=10ms2.

- mechanics -
**Anonymous**, Saturday, January 16, 2016 at 11:36pm
8kg

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