Asked by Anonymous
The Young’s modulus for steel is 20.7*1010 N/m2. How much will a 2.5 mm diameter wire 12 cm long, be strained when it supports a load of 450 N? Aluminum’s Young’s modulus is 6.9*1010 N/m2.
Express the strain as a decimal, not a percentage
What diameter of aluminum wire would be strained the same amount?
Express your answer in mm:
Express the strain as a decimal, not a percentage
What diameter of aluminum wire would be strained the same amount?
Express your answer in mm:
Answers
Answered by
flou
I found the strain 5.23*10^-4
and the diameter 3.98 mm but it garded wrong even though i think that is true
and the diameter 3.98 mm but it garded wrong even though i think that is true
Answered by
schoolgirl
same here... Strange...
Answered by
Maikol
I got the same solution...
Answered by
Anthrax
Me too...
Answered by
Anonymous
a) 4.4E-4
b)4.33 mm
b)4.33 mm
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