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(3) Stee The length of an elastic string is X m when the tension is 8 N, and Y m when the tension is 10 N in metres when the tension is 18 N is (1) 4X- 5Y (3) 9x-4Y . The length (2) 5Y-4X 4) 4Y-9x

Answer» (3) Stee The length of an elastic string is X m when the tension is 8 N, and Y m when the tension is 10 N in metres when the tension is 18 N is (1) 4X- 5Y (3) 9x-4Y . The length (2) 5Y-4X 4) 4Y-9x


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