The Eiffel Tower,which Is Made of Steel (Coefficient of Linear $\circ$

The Eiffel tower,which is made of steel (coefficient of linear expansion 13 x 10^-6 / ^$\circ$ C) ,is 320 m high at 20 ^$\circ$ C.The change in height of the tower between the winter months when the average temperature is -20 ^$\circ$ C and the summer months when the average temperature is 35 ^$\circ$ C is

A) 42 cm.
B) 35 cm.
C) 23 cm.
D) 15 cm.
E) 11 cm.

Correct Answer:

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