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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.
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An 85.0-n backpack is hung from the middle of an aluminum wire, as the drawing shows. the temperatur...
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