Water jet is projected at an angle to the horizontal. At the point of projection the area of the jet is `S_(1)` and at the highest point the area of the jet is `S_(2)` .The initial velocity of projection is u.

A body projected at an angle theta to the horizontal with kinetic energy E_k . The potential energy at the highest point of the trajectory is

A body is projected with a speed (u) at an angle to the horizontal to have maximum range. What is its velocity at the highest point ?

A particle is projected at an angle theta with an initial speed u .

A projectile is fired at an angle of 45^(@) with the horizontal. Elevation angle of the projection at its highest point as seen from the point of projection is

A particle is projected at an angle theta from the horizontal with kinetic energy (T). What is the kinetic energy of the particle at the highest point ?

A ball whose kinetic energy is E , is projected at an angle of 45(@) to the horizontal . The kinetic energy of the ball at the highest point of its flight will be

A particle is projected at an angle of elevation alpha and after t second it appears to have an elevation of beta as seen from the point of projection. Find the initial velocity of projection.

A particle of mass m is projected with velocity v at an angle theta with the horizontal. Find its angular momentum about the point of projection when it is at the highest point of its trajectory.

A stone is projected with speed of 50 ms^(-1) at an angle of 60^(@) with the horizontal. The speed of the stone at highest point of trajectory is

A ball is projected from the ground at angle theta with the horizontal. After 1 s , it is moving at angle 45^@ with the horizontal and after 2 s it is moving horizontally. What is the velocity of projection of the ball ?