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A wire of length 2 ,m and radius 2 mm is...

A wire of length 2 ,m and radius 2 mm is stretched by 2.5 mm when a load of 5 kg is suspended from it Another wire of the same material put of length 1 m and radius 1 mm is attached below the load and a load of 3kg is suspended from this wire what is the total increase in length and what are the individual exensions of the wirs ?

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The correct Answer is:
`7mm ,4mm,3mm`
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