The total mechanical energy of a lightly damped oscillator having initial energy…

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

Problem

The total mechanical energy

E(t)

of a lightly damped oscillator having initial energy

E_0

decreases with time

t

according to (a)

E_0 e^{-(\beta t)^2}

(b)

E_0 e^{-4\beta t}

(c)

E_0 e^{-2\beta t}

(d)

E_0 e^{-\beta t}