The length of a rubber cord is metre when the tension is 4 N and metre when the tension is 6N. The length when the tension is 9 N, is |
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a) |
b) |
c) |
d) |
The length of a rubber cord is metre when the tension is 4 N and metre when the tension is 6N. The length when the tension is 9 N, is |
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a) |
b) |
c) |
d) |
(a) Let the original unstretched length be Now, Again, ? Solving Eqs. (i) and (ii), we obtain |