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Two fixed frictionless inclined plane ma...

Two fixed frictionless inclined plane making angles `30^(@)` and `60^(@)` 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 A with respect to B ?

A

Zero

B

`4.9 ms^(-2)` in the vertical direction

C

`4.9 ms^(-2)` in horizontal direction

D

`9.8 ms^(-2)` in the vertical direction

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The correct Answer is:
B
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