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Three masses of 2 kg, 12 kg and 4 kg are...

Three masses of 2 kg, 12 kg and 4 kg are connected to each other with threads and ae placed on a table as shown in figure.

If `g = 10 ms ^-2`, the acceleration with which the system is moving is

A

`1.67 m//s^2`

B

`3.2 m//s^2`

C

`1.11 m//s^2`

D

`4 m//s^2`

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