Two inclined planes (I) and (II) have inclination alpha and beta respectively with horizontal (where `alpha + beta=90^(@)`)intersect each other at point O as shown in figure A particle is projected from point A with velocity u along a direction perpendicular to plane (I) If the particle strikes (II) perpendicularly at B, then:

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 = 10(sqrt3) ms^(-1) along a direction perpendicular to plane OA. If the particle strikes plane OB perpendicularly at Q, calculate The velocity with which particle strikes the plane OB,

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)

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 vertical height h of P from O,

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 = 10(sqrt3) ms^(-1) along a direction perpendicular to plane OA. If the particle strikes plane OB perpendicularly at Q, calculate Time of flight of the particles

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 = 10(sqrt3) ms^(-1) along a direction perpendicular to plane OA. If the particle strikes plane OB perpendicularly at Q, calculate The distance PQ,

Two inclined planes OA and OB having inclinations 30^@ and 60^@ with the horizontal respectively intersect each other at O, as shown in figure. A particle is projected from point P with velocity u=10 sqrt(3) m//s along a direction perpendicular to plane OA. If the particle strikes plane OB perpendicular at Q. Calculate. (a) time of flight, (b) velocity with which the particle strikes the plane OB, (c) height h of point P from point O, (d) distance PQ. (Take g=10m//s^(2) )

Two inclined planes OA and OB having inclination (with horizontal) 30^(@) and 60^(@) respectively , intersect each other at O. A particle is projected from point 'P' with velocity u=10sqrt(3) m/s along a direction perpendicu lar to plane OA. If the particle strikes plane OB perpendicu lar at Q. Calcu late: The velocity with which particle strikes the plane OB.

Two inclined planes OA and OB intersect in a horizontal plane having their inclinations alpha and beta with the horizontal as shown in figure. A particle is projected from P with velocity u along a direction perpendicular to plane OA. The particle strikes plane OB perpendicularly at Q. The path of the particle from P to Q is

Two inclined planes OA and OB intersect in a horizontal plane having their inclinations alpha and beta with the horizontal as shown in figure. A particle is projected from P with velocity u along a direction perpendicular to plane OA. The particle strikes plane OB perpendicularly at Q. If alpha = 30^@ , beta = 30^@ and a = 4.9 m, the initial velocity of projection is