Two fixed frictionless inclined planes making angles of 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 ?

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Q: Two fixed frictionless inclined planes making angles of 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 ?

Numerical

(a) 4.9 ms-2 in horizontal direction

(b) 9.8 ms-2 in vertical direction

(c) Zero

(d) 4.9 ms-2 in vertical direction

Ans: (d)

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