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[" Correct Choice Type: "],[" a the tens...

[" Correct Choice Type: "],[" a the tension on a wire is 4N its length is "l_(1)." When the tension on the "],[" is "5N" its length is "l_(2)." Find its natural length."],[[-4l_(2)," 2) "4l_(1)-5l_(2)," 3) "10l_(1)-8l_(2)," 4) "8l_(1)-10l_(2)]]

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