A steel wire of length 4.7 m and cross-section 3.0X 10s m2 stretches by the same amount as a copper wire of length 3.5 m and cross-section 4.0 under a given load. What is the ratio of the Young’s modulus of steel to that of copper ?
A steel wire of length 4.7 m and cross-section 3.0X 10s m2 stretches by the same amount as a copper wire of length 3.5 m and cross-section 4.0 under a given load. What is the ratio of the Young’s modulus of steel to that of copper ?