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The magnitudes of accelerations of block...

The magnitudes of accelerations of blocks of mass 2 kg and 4 kg are respectively . ( Pulleys and threads are massless) ( g = 10 `m//s^(2`)

A

`a _(1) = 5 m//s^(2) ,a_(2) = 2*5 m//s^(2)`

B

` a_(1) = a_(2) = 0 `

C

` a_(1) = a_(2) = 20/6 m//s^(2)`

D

` a_(1) = 20 m//s^(2) , a_(2) = 5 m//s ^(2)`

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A
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