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Physics-

General

Easy

Question

There are two blocks A and B in contact with vertical and horizontal smooth surface respectively. Acceleration of A and B are $a subscript A end subscript$ and $a subscript B end subscript$ respectively along their constrained direction of motions. Relation between $a subscript A end subscript$ and $a subscript B end subscript$ is (Assume $s i n invisible function application 23 to the power of ring operator end exponent equals fraction numerator 2 over denominator 5 end fraction$ )

$2 a_{A} = \sqrt{21} a_{B}$
$2 a_{A} = 5 a_{B}$
$5 a_{A} = 2 a_{B}$
$\sqrt{21} a_{A} = 2 a_{B}$

The correct answer is: $2 a subscript A end subscript equals 5 a subscript B end subscript$

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