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Copper has a breaking stress of about 3 × 10^8 N/m2. What is the maximum load that can be hung from a copper wire of diameter 0...Asked by John
Copper has a breaking stress of about
3 × 10^8 N/m2.
What is the maximum load that can be
hung from a copper wire of diameter 0.5 mm?
Answer in units of N.
If 55% of this maximum load is hung from the copper wire, by what percentage of its length will it stretch?
Answer in units of %.
I got the first one which is 58.90486N. I have no idea how to do the second though.
3 × 10^8 N/m2.
What is the maximum load that can be
hung from a copper wire of diameter 0.5 mm?
Answer in units of N.
If 55% of this maximum load is hung from the copper wire, by what percentage of its length will it stretch?
Answer in units of %.
I got the first one which is 58.90486N. I have no idea how to do the second though.
Answers
Answered by
bobpursley
Force=E*a*deltaL/L
solve for delta L/L
E is Youngs modullus for Copper, look that up
solve for delta L/L
E is Youngs modullus for Copper, look that up
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