My graph looks crazy even with just the elastic values. It looked how i expected it would until i added the uncertainty bars.
Because at first the wire only stretched a couple of mm ,the uncertainty was really high- about 50%, however as the extension increased the error decreased hence the...
Homework Statement
find the young modulus of copper through calculating the stress and strain, plotting on a graph and finding
the gradient of the linear part of the graph
Homework Equations
ym=stress/strain
stress=force/ area
strain= extension/length
The Attempt at a Solution...