If a spring of stiffness ‘k’ is cut into parts ‘A’ and ‘B’ of length ℓA : ℓB = 2 : 3, then the stiffness of spring ‘A’ is given by (a) 3k/5 (b) 2k/5 (c) k (d) 5/2k

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Navjyot Kalra · Answer

(d) Here, ℓ A = 2ℓ/5, ℓ B = (3ℓ/5) kℓ = k A ℓ A = k B ℓ B kℓ = k A (2ℓ/5 k A = 5k/2 k B =5k/3

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If a spring of stiffness ‘k’ is cut into parts ‘A’ and ‘B’ of length ℓA : ℓB = 2 : 3, then the stiffness of spring ‘A’ is given by (a) 3k/5 (b) 2k/5 (c) k (d) 5/2k

If a spring of stiffness ‘k’ is cut into parts ‘A’ and ‘B’ of length ℓA : ℓB = 2 : 3, then the stiffness of spring ‘A’ is given by
(a) 3k/5
(b) 2k/5
(c) k
(d) 5/2k

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If a spring of stiffness ‘k’ is cut into parts ‘A’ and ‘B’ of length ℓA : ℓB = 2 : 3, then the stiffness of spring ‘A’ is given by (a) 3k/5 (b) 2k/5 (c) k (d) 5/2k

If a spring of stiffness ‘k’ is cut into parts ‘A’ and ‘B’ of length ℓA : ℓB = 2 : 3, then the stiffness of spring ‘A’ is given by(a) 3k/5(b) 2k/5(c) k(d) 5/2k

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If a spring of stiffness ‘k’ is cut into parts ‘A’ and ‘B’ of length ℓA : ℓB = 2 : 3, then the stiffness of spring ‘A’ is given by
(a) 3k/5
(b) 2k/5
(c) k
(d) 5/2k