thanks for the assistance its a bit late for me to crack on with the problem at the moment I will return tomorrow and have another go.
Could you please tell me how you put the 1/2 index power or direct me to a link where I can learn how to do this... is it simply html code like the ones...
I am struggling with my mathematics indices homework. I think I have some correct answers so far but I'm pretty stumpted on some others. How would I go about solving the following equations.
Homework Statement
1) 25 to the \frac{1}{2} - \frac{5 to the -4}{5 to the -5}
Homework...
thanks I see now that you had already explained the force was not a constant and can now see where the equation in my notes 1/2kx² comes into play. =) I shall return to you for pointers in the future you've been a great help
thank you for those equations they are not in my notes anywhere... and thank you for taking the time to help me with my problem
so...
F =
1(x10 to the -6)m² x 2(x10 to the 11)Nm / 2m = 100000Nm
100000Nm x 0.0025m
= 250 Nm²
Work Done =
250Nm² x 0.0025m
= 0.625 J
still this...
Homework Statement
The question posed - Calculate the work done in a steel wire (Esteel = 200GPa) 2.0m long and 0.010cm² in cross-sectional area extends by 2.5mm when loaded.
so
Length (L) = 2m
Area (A) = 1(x10 to the -6)m
Extension (x) = 0.0025m
Ep? = 2(x10 to the 11) Nm...