two inclined planes OA and OB intersect in a horizontal plane having their inclinations alpha (30) and beta(30) and with the horizontal. A particle is projected from point P with velocity u along a direction perpendicular to plane OA. The particle strikes plane OB perpendicularly at Q. Find the time of flight from P to Q
two inclined planes OA and OB intersect in a horizontal plane having their inclinations alpha (30) and beta(30) and with the horizontal. A particle is projected from point P with velocity u along a direction perpendicular to plane OA. The particle strikes plane OB perpendicularly at Q. Find the time of flight from P to Q