A body in simple harmonic motion is at a displacement from equilibrium

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

Problem

A body in simple harmonic motion is at a displacement

x=0.6A

from equilibrium, where

A

is the amplitude. What fraction of the total mechanical energy of the system is kinetic energy at that instant? (a)

0.60

(b)

0.64

(c)

0.36

(d)

0.40