Two springs have force constants and such that

PHYSICS · Single correct · CBSE · Physics · Work, Energy and Power · Work, Energy and Power

Problem

Two springs have force constants

k_a

and

k_b

such that

k_b = 2k_a

. The four ends of the springs are stretched by the same force. If the energy stored in spring A is

E

, then the energy stored in spring B is (1)

\frac{E}{2}

(2)

2E

(3)

E

(4)

4E