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Two inclined planes OA and OB having inc...

Two inclined planes OA and OB having inclination (with horizontal) `30^(@)` and `60^@()`, respectively, intersect each other at O as shown in figure. A particle is projected from point P with velocity `u = 10sqrt3 ms^(-1)` along a direction perpendicular to plane OA. If the particle strikes plane OB perpendicularly at Q, calculate

The maximum height attained by the particle (from the line O)

A

16.25 m

B

32.5 m

C

65 m

D

none of these

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The correct Answer is:
A
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