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## Homework Statement

A 0.150 kg frame, when suspended from a coil spring, stretches the spring 0.050 m. A 0.200 kg lump of putty is dropped from rest onto the frame from a height of 30.0 cm

The collision between the two is perfectly inelastic.

Find the maximum distance the frame moves downward from its initial position.

## Homework Equations

[tex]\Delta{K} + \Delta{U} + \Delta{U_o} = 0[/tex]

## The Attempt at a Solution

I plugged in the energies into the above equations, and it didn't bring me closer to an answer. I'm not sure how I can relate momentum to energy in this, with a completely inelastic collision.

Any help is appreciated. Thank you.

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