Two aluminum rods A and B are such that rod A has twice the length of rod B when they are at the same temperature. They are heated such that rod B experiences twice as great an increase in temperature as rod A.
Part 1) Which rod has the greater change in length? Explain briefly.
a.) Rod A
b.) Rod B
c.) Both rods experience the same change in length
Part 2) Which rod has the greater fractional change in length? Explain briefly.
a.) Rod A
b.) Rod B
c.) Both rods experience the same change in length?