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A 2kg block is placed over a 4kg block a...

A 2kg block is placed over a 4kg block and both are placed on a smooth horizontal surface. The coefficient of friction between the blocks is 0.20. The acceleration of the two blocks if a horizontal force of 12N is applied to the lower block is `(g= 10 ms^(-2))`

A

`2ms^(-2), 2ms^(-2)`

B

`2 ms^(-2), 1 ms^(-2)`

C

`3 ms^(-2), 1 ms^(-2)`

D

`4 ms^(-2) , 1 ms^(-2)`

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The correct Answer is:
A
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