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calculate the work done to stretch an elastic string by 40cm if a force of 10N produces an extension of 4cm in it.
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calculate the work done to stretch an elastic string by 40cm if a force of 10N produces an extension of 4cm in it.

User Guilherme Lemmi
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W= F*d which is (10N x 0.4 x 0.4=1.6 J)

User Squonk
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