The energy of a lightly damped oscillator drops to of its initial value in

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

Problem

The energy of a lightly damped oscillator drops to

25\%

of its initial value in

10\,\text{s}

. Find

\beta

. (a)

0.277\,\text{s}^{-1}

(b)

0.069\,\text{s}^{-1}

(c)

0.034\,\text{s}^{-1}

(d)

0.138\,\text{s}^{-1}