What Is the Maximum Length of a Metal Cable That

question 36

Multiple Choice

What is the maximum length of a metal cable that can hang vertically supported from one end of the cable? The Young's modulus of this metal is 2.10 × 10¹¹ N/m², its tensile strength (the maximum tensile stress it can support without breaking) is 7.40 × 10⁸ N/m², and its density is 7.60 × 10³ kg/m³.

• A) 9.94 km
• B) 4.22 km
• C) 456 km
• D) 1.75 km
• E) 24.8 km

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