Question:
A steel wire whose length is 130 cm and whose cross section
Last updated: 6/9/2023
A steel wire whose length is 130 cm and whose cross section area is 9 50 x 10 7 m is heated to an average temperature of 830 C and stretched tout between two rigid supports What tension is developed in wire whe it is cooled to 20 C Y 2 10 N m a 11 x 10 6 C 1200 N 1700 N 2100 N Zero