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The brass bar and the aluminum bar in the drawing are each attached to an immovable wall. At 27.9 .C the air gap between the

The brass bar and the aluminum bar in the drawing are each attached to an immovable wall. At 27.9 .C the air gap between the rods is 1.17 x 10-3 m. At what temperature will the gap be closed? Brass Aluminum 2.0 m 1.0m

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