Question

A steel wire of length 6 m and cross-sectional area 3.0 × 10–5 m2 stretches by the same amount as a copper wire of length 4 m and cross-sectional area of 5.0 × 10–5 m2 under a given load. What is the ratio of the Young’s modulus of steel to that of copper ?

Answer 1

Answer:

20/9

Explanation of answer