Tensile Stress and Strain: The graph in the figure shows the tensile stress as a function of the tensile strain in a certain wire. What does the slope of this graph give us for this wire?
A. the pressure in the wire
B. Young's modulus for the material of the wire
C. the tensile stress in the wire
D. the tension in the wire
E. the percent change in the length of the wire
Answer: B
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