Question:
The elastic potential energy stored in a steel wire of length 20 m stretched through 2 cm is 80 J. The cross sectional area of the wire is______ mm2 . (Given, y = 2.0 x 1011 Nm-2)
The elastic potential energy stored in a steel wire of length 20 m stretched through 2 cm is 80 J. The cross sectional area of the wire is______ mm2 . (Given, y = 2.0 x 1011 Nm-2)
Updated On: Jul 13, 2024
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Correct Answer: 40
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The correct answer is: 40
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