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The length of a metal wire is 10 cm when the tension in it is 20 Newton and 12 centimetre when the tension is 40 Newton. The natural length of the wire is centimetre?

Answer» The length of a metal wire is 10 cm when the tension in it is 20 Newton and 12 centimetre when the tension is 40 Newton. The natural length of the wire is centimetre?


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