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seen Dec 25 at 12:45

Dec
20
answered What does a unitary transformation mean in the context of an evolution equation?
Dec
18
comment How much does a steel spring wire bend due to it's own weight?
You used diameter or 1.3 mm in your formula. Here you give 1.2mm or 1.5mm.
Dec
18
awarded  Critic
Dec
17
comment Who is right? Force exerted on a body. Me or my friend?
The problem isn't clear to me. Are the springs hanged from the ceiling or is each mass attached to the one above it? How come the elevator is motionless and accelerating?
Dec
17
answered Does opening the oven door heat the house more than if the door is closed?
Dec
17
comment How much does a steel spring wire bend due to it's own weight?
Oh, and another thing - I took $L$ to be the length from the point of support to the end, but re-reading you question makes me think that $L$ is total length. If that is the case, you should divide all my answers by $2^4$ to get 5.9cm and 3.8cm.
Dec
17
comment How much does a steel spring wire bend due to it's own weight?
Maybe. Note also that using a wire of double diameter will decrease the deflection by a factor of 4, so that might also bbe a solution.
Dec
17
revised How much does a steel spring wire bend due to it's own weight?
I forgot a factor of $g$
Dec
17
awarded  Supporter
Dec
17
awarded  Editor
Dec
17
revised Counting the number of modes
exapnded the statment
Dec
17
answered Counting the number of modes
Dec
17
answered Will a hole cut into a metal disk expand or shrink when the disc is heated?
Dec
17
answered How much does a steel spring wire bend due to it's own weight?
Dec
17
comment Calculating stress without strain
The propagation of cracks in materials is notoriuosly difficult to simulate. I find it hard to believe that you can do it in real time.
Dec
16
awarded  Teacher
Dec
15
answered Calculating stress without strain