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## Homework Statement

A 3.2-kg block is hanging stationary from the end of a vertical spring that is attached to the ceiling. The elastic potential energy of this spring/mass system is 1.8J. What is the elastic potential energy of the system when the 3.2-kg block is replaced by a 5.0-kg block?

## Homework Equations

Elastic potential energy=1/2kx^2

Gravitational potential energy=mgh

## The Attempt at a Solution

Help me please!