Question

A load of 3kg produces an extension of 1.5 mm in a wire of length 3m and diameter 2mm. Young's modulus of the material of the wire is

Answer 1

Answer:

$y = \frac{f \times l}{area \times eleongation} \\ y = \frac{30 \times 3}{\pi \times 4 \times {10}^{ - 6} \times 1.5 \times {10}^{ - 3} } \\ y = \frac{15}{\pi} \times {10}^{9}$

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Answer 2

Answer:

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Explanation: