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Figure shows two blocks in contact sliding down an inclined surface of inclination `30^(@)`. The friction coefficient between the block of mass 2.0 kg and the incline is `mu_(1) =0.20`.The friction coefficient between the block of mass `4.0kg` and the incline is `mu _(2) =0.30`. Find the acceleration of `2.0kg` block. `(g = 10m//s^(2))`

A

`2m//s^(2)`

B

`2.7m//s^(2)`

C

`4m//s^(2)`

D

`2.4m//s^(2)`

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The correct Answer is:
D
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