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The potential energy of a long spring when stretched by 2 cm is U. If the spring is stretched by 8 cm, potential energy stored in it will be :

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The potential energy of a long spring when stretched by 2 cm is U. If the spring is stretched by 8 cm, potential energy stored in it will be :

(1) 4U

(2) 8U

(3) 16U

(4) 2U

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1 Answer

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Best answer

Correct option is (3) 16U

Eq. (2) / eq. (1)

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