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Figure shown two blocks in contact slidi...

Figure shown two blocks in contact sliding down an inclined surface of inclination `30^(@)`. The block of mass `2 kg `and the incline is `mu_(1) = 0.20` and that between the block of mass 4kg and the incline is `mu_(2) = 0.30` .Find the acceleration of `2.0 kg` block `g = 10 ms^(-2)`

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`2.7 m//s^(2),2.4 m//s^(2)`
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