A particle is attached to a spring of force constant and executes simple harmonic…

PHYSICS · Single correct · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

0.30\,\text{kg}

particle is attached to a spring of force constant

90\,\text{N m}^{-1}

and executes simple harmonic motion of amplitude

0.10\,\text{m}

. At some displacement

x

from equilibrium its kinetic energy is

0.108\,\text{J}

. What is the value of

x

? (a)

0.072\,\text{m}

(b)

0.046\,\text{m}

(c)

0.087\,\text{m}

(d)

0.100\,\text{m}