Question

A copper wire (Y = 1 x 10^11 N/m) of length
6 m and a steel wire (Y = 2 x 10^11 N/m) of
length 4 m each of cross-section 10^5 m² are
fastened end to end and stretched by a tension
of 100 N. The elongation produced in the
copper wire is:​

Answer 1

Refer photo for answer