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An elastic spring of unstretched length ...

An elastic spring of unstretched length L and spring constant K is stretched by a small length x. It is further stretched by another small length y. the work done in second stretcing is

A

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

B

`k/2(2x+y)`

C

`ky(x+2y)`

D

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

Text Solution

Verified by Experts

The correct Answer is:
D
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