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`        my answer comes out to be option A but the correct answer is B please help me out`
one year ago

Utsav Basu
70 Points
```							The thing you missed is the fact that the system was released suddenly from rest. So, the block C will execute a SHM in this case. Let us suppose the block C moves down by a max displacement of x m.Therefore, change in Gravitational Potential Energy = m1gxNow, this energy is actually stored in the spring.So, Energy stored in spring = mgx Thus,     1/2(kx2) = m1gxor, x = 2m1g/k So, max force applied on Block A = kx = 2m1gThus min coefficient of friction required = 2m1g/mg = 2m1/m I hope I am able to answer your questions satisfactorily. Please approve my answers if so...
```
one year ago
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• Test paper with Video Solution
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