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In the system shown all the surfaces are...

In the system shown all the surfaces are frictionless while pulley and string are massless. The mass of block A is 2m and that of block B is m. The acceleration of block B immediately after system is released from rest is

A

`g//2`

B

g

C

`g//3`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
C
`T=2ma`
`mg-T=ma`
`a=g//3`
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