A horizontal spring with force constant is compressed until it stores of elastic…

PHYSICS · Single correct · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

A horizontal spring with force constant

k=200\,\text{N}\!\cdot\!\text{m}^{-1}

is compressed until it stores

3.2\,\text{J}

of elastic potential energy. Which of the following is closest to the magnitude of the spring’s compression? (a)

0.13\,\text{m}

(b)

0.25\,\text{m}

(c)

0.18\,\text{m}

(d)

0.032\,\text{m}