A particle is projected with velocity "u" in horizontal direction as shown in the figure. Find u if particle collides perpendicularly with inclined plane. h

A particle is projected with velocity "u" in horizontal direction as shown in the figure. Find u if particle collides perpendicularly with inclined plane. u

A projectile is projected with velocity u making angle theta with horizontal direction, find : horizontal range.

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

A particle is projected with velocity u at angle theta with horizontal. Find the time when velocity vector is perpendicular to initial velocity vector.

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 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

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

In the given figure , the angle of inclination of the inclined plane is 30^(@) . A particle is projected with horizontal velocity v_(0) from height H. Find the horizotnal velocity v_(0) (in m/s) so that the particle hits the inclined plane perpendicu lar .Given H=4m, g =10m//s^(2) .

An particle is projected with velocity u on an inclined plane at an angle theta with the plane. If the particle lands on the plane at right its time of flight is (u cosec theta)/(2 g) . Find the angle of inclination of the plane with horizontal.

A particle is projected from a point A with velocity sqrt(2)u an angle of 45^(@) with horizontal as shown in figure. It strikes the plane BC at right angles. The velocity of the particle at the time of collision is