IIT JEE Problem:Two inclined plane OA and OB having inclination (from horizontal )30 degree and 60 degree respectively..

Two inclined planes OA and OB having inclination (with horizontal) 30^(@) and 60^@ (with horizontal), 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 = 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 vertical height h of P from O,

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) )

A smooth inclined plane of length L, having an inclination theta with horizontal is inside a lift which is moving down with retardation a. The time taken by a block to slide down the inclined plane from rest will be

A body of mass 10kg is on a rough inclined plane having an inclination of 30° with the horizontal. If coefficient of friction between the surfaces of contact of the body and the plane is 0.5. Find the least force required to pull the body up the plane.

A body of mass 10kg is on a rough inclined plane having an inclination of 30^(@) with the horizontal. If co-efficient of friciton between the surface of contact of the body and the plane is 0.25. Find the least force required to pull the body up.

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^@ the time of flight 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^@ the time of flight from P to Q is