Two fixed frictionless inclined planes making an angle \( 30^{\circ...

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Two fixed frictionless inclined planes making an angle \( 30^{\circ} \) and \( 60^{\circ} \) with the vertical are shown in the figure. Two blocks A and B are placed on the two planes. What is the relative vertical acceleration of
\( \mathrm{P} \) A with respect to B ?

W
(1*) \( 4.9 \mathrm{~ms}^{-2} \) in vertical direction.
(2) \( 4.9 \mathrm{~ms}^{-2} \) in horizontal direction
(3) \( 9.8 \mathrm{~ms}^{-2} \) in vertical direction
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