The Young modulus for copper is 1.3 × 1011 Pa.
A tensile force of 150 N is applied to a sample of length 1.50 m and cross-sectional area 0.40 mm2. (1.0 mm2 = 1.0 × 10–6 m2).
Assuming that the limit of proportionality is not exceeded, calculate the extension of the copper.
