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A stretched rubber has ___________

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in Engineering Physics I by (558k points)
A stretched rubber has ___________

(a) Increased kinetic energy

(b) Increased potential energy

(c) Decreased kinetic energy

(d) Decreased potential energy

I have been asked this question in an interview for job.

My question comes from Elastic Limit in portion Thermal Properties of Matter of Engineering Physics I

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Right choice is (b) Increased potential energy

For explanation I would say: The work done in stretching the rubber is stored as its potential energy.

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