Answer:

Explanation:
The Young's module is:


Let assume that both specimens have the same geometry and load rate. Then:

The displacement rate for steel is:



Answer:
Burj Khalifa
Explanation:
The world's tallest artificial structure is the 829.8-metre-tall (2,722 ft) Burj Khalifa in Dubai (of the United Arab Emirates). The building gained the official title of "tallest building in the world" and the tallest self-supported structure at its opening on January 9, 2010.
a brainliest would be appriciated
Syntax
Compiling the code, punctuation and characters must be corrected.