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In the given figure, Find mass of the bl...

In the given figure, Find mass of the block A, if it remains at rest, when the system is released from rest. Pulleys and strings are massless. `[g=10m//s^(2)]`

A

(a)`m `

B

(b)`2m`

C

(c)`2.5m`

D

(d)`3m `

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The correct Answer is:
D
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