A block attached to a horizontal ideal spring oscillates with amplitude

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

Problem

A

. The total mechanical energy of the system is

E

. When the block is at a displacement of

\tfrac12A

from equilibrium, which of the following gives its kinetic energy in terms of

E

? (a)

0.50E

(b)

0.75E

(c)

0.25E

(d)

0.375E