A block attached to a horizontal spring with spring constant oscillates with amplitude

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

Problem

A block attached to a horizontal spring with spring constant

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

oscillates with amplitude

0.20\,\text{m}

. Calculate the kinetic energy of the block when its instantaneous displacement is

0.12\,\text{m}

. (a)

1.08\,\text{J}

(b)

3.84\,\text{J}

(c)

1.92\,\text{J}

(d)

0.96\,\text{J}