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A 200-kg chandelier is suspended from vertical steel cable. The cable is 7.8 m long. Assume...

A 200-kg chandelier is suspended from vertical steel cable. The cable is 7.8 m long. Assume a safety factor of 6.5. The elastic modulus for steel is 2.0×1011N/m2, and tensile strength for steel is 5.0×108N/m2.

Part A

What is the minimum cross-sectional area required of the cable?

Express your answer to two significant figures and include the appropriate units.
Amin

Amin

=

nothingnothing

SubmitRequest Answer

Part B

How much does the cable elongate?

Express your answer to two significant figures and include the appropriate units.
ΔL

ΔL

=

nothingnothing

SubmitRequest Answer
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Answer #1

S x 196 -S St At S F1962 7.8 3 29 mm

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