Physics

Problem

An ideal spring obeys the relation

U = \frac{1}{2} k (\Delta x)^2

. If the spring constant is

250\,\text{N/m}

, what is the potential energy stored when the spring is compressed

0.080\,\text{m}

from equilibrium? a)

1.6\,\text{J}

0.40\,\text{J}

0.80\,\text{J}

3.2\,\text{J}