10:22 ANM webassign.net iPad 64% -1-1111-1-/1-1-1-121-1-111 -/36 (0.0%) Points A

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10:22 ANM webassign.net iPad 64% -1-1111-1-/1-1-1-121-1-111 -/36 (0.0%) Points Assignment Submission For this assignment, you submit answers by question parts. The number of submissions remaining for each question part only changes if you submit or change the answer. Assignment Scoring Your last submission is used for your score + /1 points CJB 12.FC.002 My Notes The drawing shows two thin rods, one made from aluminum [ = 23 10-6 (Co)-1] and the other from steel [a 12 × 10-6 (Co)-1]. Each rod has the same length, the same initial temperature, and is attached at one end to an immovable wall, as shown. The temperatures of the rods are increased, both by the same amount, until the gap between the rods is closed Where do the rods meet when the gap is closed? Midpoint Aluminum Steel The rods meet to the right of the midpoint. The rods meet exactly at the midpoint. The rods meet to the left of the midpoint. Read the eBook Section 12.4 Linear Thermal Expansion

Explanation / Answer

Increase of length depends upon coeffiecient of linear expansion(). higher the length increament is larger. In this problem for aluminium is high so for same increament of temperature increase in length of aluminium will be large so rods will meet at right of the midpoint because aluminium rod first cross the midpoint.

so rods meet to the right to mid point(first option)

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