Question

Problem 2 A

The Sears Tower is about 442 meters tall at room temperature, and is primarily constructed from steel. By how much will the height of the building change on a cold winter day if the outside temperature is -5 ͦ C? Give your answer in meters to 4 decimal places. Do not type the units in the box, just the numerical value. Note: ?_?? = 12×10−6 1/ ͦ C

Problem 2B

The Sears Tower is about 442 meters tall at room temperature, and is primarily constructed from steel. How much will the height of the building change on a hot summer day if the temperature outside is 35 ͦ C? Give your answer in meters to 4 decimal places. Do not type the units in the box, just the numerical value. Note: ?_?? = 12×10−6 1/ ͦ C

Answer 1

2A)

Room temperature

Outside temperature

Coefficient of linear expansion

( negative sign indicates the decrease in length)

Change in length of tower is

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2B)

Room temperature

Outside temperature

Coefficient of linear expansion

( positive sign indicates the increase in length)

Change in length of tower is

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