For a spring–mass system with force constant

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

Problem

k=150\,\text{N}\,\text{m}^{-1}

, calculate the change in potential energy when the displacement increases from

x_1=2\,\text{cm}

x_2=6\,\text{cm}

. (a)

0.12\,\text{J}

(b)

2.4\,\text{J}

(c)

0.24\,\text{J}

(d)

0.48\,\text{J}