In a horizontal mass–spring system

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

Problem

In a horizontal mass–spring system, the mass is

0.40\,\text{kg}

. When the displacement of the mass is

0.040\,\text{m}

, its kinetic energy is

0.12\,\text{J}

and its potential energy is

0.08\,\text{J}

. Find the amplitude of oscillation. (a)

0.049\,\text{m}

(b)

0.040\,\text{m}

(c)

0.063\,\text{m}

(d)

0.056\,\text{m}