Question

A composite wire consists of a steel wire of length 1.5 m and a copper wire of length 2.0 m, with a uniform cross-sectional area of 2.5 x 10-5 m2. It is loaded with a mass of 200 kg. Find the extension produced. Young's modulus of copper is 1.0 x 1011 Nm and that of steel is 2.0 x 1011 Nm-2 Take g = 9.8 m/(s^2)
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ISC based Q.
CISCE board
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Answer 1

Answer:

A composite wire consists of a steel wire of length 1.5 m and a copper wire of length 2.0 m, with a uniform cross-sectional area of 2.5 x 10 m². It is loaded with a mass of 200 kg. Find the extension produced. Young's modulus of copper is 1.0 x 1011 N m-2 and that of steel is 2.0 x 1011 Nm-2.

Explanation:

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Answer 2

Explanation:

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