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A rubber cord of cross sectional area 1 mm^2 and unstretched length 10 cm is stretched to 12 cm and then released to project a stone of mass 5 gram. If Y for rubber = 5 × 108N/m^2, then the tension in the rubber cord is (a) 25 N (b) 50 N (c) 100 N (d) 200 N

A rubber cord of cross sectional area 1 mm^2 and unstretched length 10 cm is stretched to 12 cm and then released to project a stone of mass 5 gram.

If Y for rubber = 5 × 108N/m^2, then the tension in the rubber cord is

(a) 25 N (b) 50 N

(c) 100 N (d) 200 N

Grade:

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
3 years ago
Dear student

The answer is 100 N

Regards

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