The length of an elastic string is Xm wh...

The length of an elastic string is Xm when the tension is 8 N, and Y m when the tension is 10 N. The length in metres when the tension is 18 N is

4X.-5Y

5Y-4X

9x - 4Y

4Y - 9X

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AAKASH INSTITUTE ENGLISH-MECHANICAL PROPERTIES OF SOLIDS-EXERCISE

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