A thin, light wire $75\mathrm{.}6$ cm long having a circular cross section $0\mathrm{.}555$ mm in diameter has a $25\mathrm{.}5$ kg weight attached to it$,$ causing it to stretch by $1\mathrm{.}10$ mm $.$

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Part A

What is the stress in this wire?

Express your answer in pascals.

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Part B

What is the strain of the wire?

Part C

Find Young's modulus for the material of the wire.

Express your answer in pascals.