Two particles A and B are projected with same speed so that the ratio of their maximum heights reached is 3:1 .If the speed of A is doubled without altering other parameters,the ratio of the horizontal ranges attained by A and B is?

Two particles are projected with same velocity but at angles of projection 35° and 55°. Then their horizontal ranges are in the ratio of

The objects x and y are projected from a point with same velocities , at angle 30 ^(@) and 60^(@) , the ratio of their maximum height attained:

Two projectiles A and B are projected with same speed at an angle 30^(@) and 60^(@) to the horizontal, then which of the following is not valid where T is total time of flight, H is max height and R is horizontal range.

Two particles of equal mass are projected simultaneously with speeds 20 m//s end 10sqrt(3)m//s as shown in figure. Find the maximum height reached by the centre of mass of the particles

Two planets of same density have the ratio of their radii as 1 : 3. The ratio of escape speed on them will be

On an inclined plane two particles A and B are projected with same speed at the same angle with the horizontal, particle A down and particle B up the plane. If the ratio of time of flight of A and B is cot theta , where theta is the angle at which B is projected measured from inclined plane, find the angle at which particles are projected.

Two projectiles of same mass have their maximum kinetic encrgies in ratio 4: 1 and ratio of their maximum heights is also 4 : 1 then what is the ratio of their ranges?

Two particles are projected with same velocity but at angles of projection 25° and 65° with horizontal. The ratio of their horizontal ranges is

The speed at the maximum height of a projectile is sqrt(3)/(2) times of its initial speed 'u' of projection Its range on the horizontal plane:-

If 2 balls are projected at angles 45^(@) and 60^(@) and the maximum heights reached are same, what is the ratio of their initial velocities ?