Two balls are fired form ground level,`a` distance `d` apart. The right one is fired vertically with speed `v`. You wish to simultancously fire the left one at appropriate velocity `u` so that collides with the right ball when they reach their highest point. Value of horizontal `(u_(x))` and vertical `(u_(y))`components of `u` are respectively`:-`
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A particle is fired with velocity u making angle theta with the horizontal.What is the change in velocity when it is at the highest point?

A particle is fired with velocity u making angle theta with the horizontal.What is the change in velocity when it is at the highest point?

A particle is fired with velocity u making angle theta with the horizontal.What is the change in velocity when it is at the highest point?

When a projectile is fired at an angle theta w.r.t horizontal with velocity u, then its vertical component:

A bu llet is fired with a velocity u making an angle of 60^(@) with the horizontal plane. The horizontal component of the velocity of the bu llet when it reaches the maximum height is:

A bullet is fired with a velocity u making an angle of 60^(@) with the horizontal plane. The horizontal component of the velocity of the bullet when it reaches the maximum height is

A shell is fired from a gun and it explodes in two pieces at the highest point of trajectory . One piece retraces its apth to gun . What will be the velocity of other part just after explosion if shell is fired with a speed u at an angle theta with the horizontal ?

(a) A particle is thrown from a height h horizontally towards a vertical wall with a speed v as shown in the figure. If the particle returns to the point of projection after suffering two elastic collisions, one with the wall and another with the ground, find the total time of flight. [Elastic collision means the velocity component perpendicular to the surface gets reversed during collision.] (b) Touching a hemispherical dome of radius R there is a vertical tower of height H = 4 R . A boy projects a ball horizontally at speed u from the top of the tower. The ball strikes the dome at a height (R)/(2) from ground and rebounds. After rebounding the ball retraces back its path into the hands of the body. Find u.

A truck is moving horizontally with velocity v. A ball thrown vertically upward with a velocity u at angle theta to the horizontal from the truck relative to it. The horizontal range of the ball relative to the ground is