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If a spring of stiffness k is cut into t...

If a spring of stiffness k is cut into two parts A and B of length `1_(A):1_(B)`=2:3, then the stiffness of spring A is given by :

A

`(5)/(2)k`

B

`(3k)/(5)`

C

`(2k)/(5)`

D

`k`

Text Solution

Verified by Experts

The correct Answer is:
A

`k_(1)l_(1) = k_(2)l_(2) = kl.k_(1) = (5k)/(2)`
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ALLEN-SIMPLE HARMONIC MOTION-Exercise-05 [A]
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