A Wire Is 1

question 72

Multiple Choice

A wire is 1.50 m long and has a diameter of 1.50 mm. The elastic modulus of the wire is 6.20 × 10¹⁰ N/m². If a force of 400 N is applied to end of the wire, then the increase in length of the wire is

• A) 5.48 mm.
• B) 4.28 mm.
• C) 3.95 mm.
• D) 3.84 mm.
• E) 3.45 mm.

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