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A spring of force constant k is stretche...

A spring of force constant `k` is stretched by a small length `x`. Find the work done in stretching it further by a small length `y`.

A

`(1)/(2)k(x^(2)+y^(2))`

B

`(1)/(2)k(x+y)^(2)`

C

`(1)/(2)k(y^(2)-x^(2))`

D

`(1)/(2)ky (2x+y)`

Text Solution

Verified by Experts

The correct Answer is:
D
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