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When the load on a wire is increased slo...

When the load on a wire is increased slowly from 4 to 8 kg, the elongation increases from 1.00 mm to 1.6 mm. If `g = 10 m//s^(2)`, then the work done during the extention of the wire is

A

`2.2 xx 10^(-2) J`

B

`4.4 xx 10^(-2) J`

C

`8.8 xx 10^(-3) J`

D

`1.1 xx 10^(-3) J`

Text Solution

Verified by Experts

The correct Answer is:
B
`W = (1)/(2) F_(2)e_(2) - (1)/(2) F_(1)e_(1) \ 4.4 xx 10^(-2) J`
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