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# Physics....help(question) watch

1. Please i need some help to attempt this question... please show the equation when doing the question....THANKS IN ADVANCE

* means multiply

A wire 2m long and cross sectional area 1*10^-6 m^2 is stretched by a force of 50 N calculate:

The strain of the wire

The young modulus of the wire
2. You must know the equations for stress and strain, and then stress/strain=YM.
Why are you doing these questions in the holidays?
3. (Original post by jinx007)
Please i need some help to attempt this question... please show the equation when doing the question....THANKS IN ADVANCE

* means multiply

A wire 2m long and cross sectional area 1*10^-6 m^2 is stretched by a force of 50 N calculate:

The strain of the wire

The young modulus of the wire
There is something missing in your question to find strain you need extension.However to find extension I can use hookes law , but the constant is not given.
4. No there is nothing missing , that's why i am stuck !!!! It is a tuition question, my teacher told us to find the answer by ourselves...
5. Your teacher has just set a problem that cant be done.
6. YM is the pressure required to stretch it by its own length, i.e. 2m. You cannot work that out.
7. (Original post by jinx007)
No there is nothing missing , that's why i am stuck !!!! It is a tuition question, my teacher told us to find the answer by ourselves...
and you came to tsr
8. (Original post by rbnphlp)
and you came to tsr
it's not cheating, it's using your initiative

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