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A spring of spring constant 5 xx 10^(2) ...

A spring of spring constant `5 xx 10^(2) `Nm is streched initially by `5 cm` from the unstriched position . Then the work required to streach is further by another `5 cm` is

A

`6.25 Nm`

B

`12.50 Nm`

C

`18.75 Nm`

D

`25 Nm`

Text Solution

Verified by Experts

The correct Answer is:
`(3)`
`W = 1/2 K(x_(2)^(2) - x_(1)^(2))`
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