Aluminum Rod#1 has a length L and a diameter d. Aluminum Rod#2 has a length 2L and a diameter 2d. If Rod#1 is under tension T and Rod#2 is under tension 2T, how do the changes in length of the two rods compare?
A. They are the same.
B. Rod#1 has double the change in length that Rod#2 has.
C. Rod#2 has double the change in length that Rod#1 has.
D. Rod#1 has quadruple the change in length that Rod#2 has.
E. Rod#2 has quadruple the change in length that Rod#1 has.
Answer: A
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