The length of a rubber cord is `l_(1)` m when the tension is 4 N and `l_(2)` m when the tension is 6 N.The length when the tension is 9 N, is

The length of a rubber cord is l_1 metres when the tension in it is 4N and l_2 metres when the tension is 5N. Then the length in meters when the tension is 9 N is

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

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

The length of a wire l_(1) when tension is 4 N and l_(2) when the tension is 5 N. Then its original length would be

The length of a metallic wire is l_1 metre when the tension is 4 N and l_2 metre when the tension is 6N respectively. Find the length when the tension is 9N and the actual length of the wire.

The length of a metal wire is L_1 , when the tension is T_1 and l_2 when the tension is T_2 . The unstretched length of the wire is