**26. An 85.0-N backpack is hung from the middle of an aluminum wire, as the drawing shows. The temperature of the wire then drops by 20.0 C°. Find the tension in the wire at the lower temperature. Assume that the distance between the supports does not change, and ignore any thermal stress. Lo Lo 3.00° 3.00° Problem 26

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**26. An 85.0-N backpack is hung from the middle of an aluminum wire,
as the drawing shows. The temperature of the wire then drops by 20.0 C°.
Find the tension in the wire at the lower temperature. Assume that the
distance between the supports does not change, and ignore any thermal
stress.
Lo
Lo
3.00°
3.00°
Problem 26
Transcribed Image Text:**26. An 85.0-N backpack is hung from the middle of an aluminum wire, as the drawing shows. The temperature of the wire then drops by 20.0 C°. Find the tension in the wire at the lower temperature. Assume that the distance between the supports does not change, and ignore any thermal stress. Lo Lo 3.00° 3.00° Problem 26
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