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CBSE Class 11-science Answered

A wire 50 cm long and 1 sq.mm is cross-section has the Young's modulus, Y = 2 x 1010Nm-2. How much work is done in stretching the wire through 1 mm?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

Y = 2 x 1010Nm-2, L = 50cm = 0.5 m, A = 1 mm2 = 10-6m2

Extension,

Work done in stretching the wire = Average force x Extension

=

Answered by | 04 Jun, 2014, 03:23: PM

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