Two projectiles are projected horizontally from the same point in opposite directions with speed 5m/s . Find the separation in meter at the instant their velocities become mutually perpendicular (g=10m/`s^(2)`).

Two particles are projected from a tower horizontally in opposite directions with velocities 10 m//s and 20 m//s . Find the time when their velocity vectors are mutually perpendicular. Take g=10m//s^2 .

Two particles are projected with speeds u_1 and u_2 in mutually opposite directions from top of a tower horizontally. Find the time after which their velocity becomes perpendicular to each other.

Two particles are projected horizontally with same speed 30 m//s but in opposite directions from same height at time t = 0 . Calculate angle between velocity vectors of particles at time t = 3s .

From an elevated point two bodies are projected horizontally in opposite direction with velocity "10m/s" each.Time after which their displacements are perpendicular to each other is g=10m/s^(2)

From a tower of height 40 m , two bodies are simultaneously projected horizontally in opposite direction, with velocities 2 m s^-1 and 8 ms^-1 . respectively. The time taken for the velocity vectors of two bodies to become perpendicular to each other is :

A particle is projected at an angle of60∘ above the horizontal with a speed of 10m/s .When the projectile reaches highest point, change in velocity is

From the top of tower of height 80 m , two stones are projected horizontally with velocities 20 m s^-1 and 30 m s^-1 in opposite directions, Find the distance between both the stones on reaching the ground ("in" 10^2 m) .

A body is projected horizontally from the top of a tower with a velocity of 20m/s .After what time the vertical component of velocity is four times the horizontal component of velocity (g=10m/s^(2))

A projectile is fired horizontally from an inclined plane (of inclination 45^(@) with horizontal) with speed=50m/s. If g=10m//s^(2) , the range measured along the incline is

Two particles are projected from the same point on ground simultaneously with speeds and 20m//s and 20//sqrt3 at angles 30^(@) and 60^(@) with the horizontal in the same direction.The maximum distance between them till both of them strike the ground is approximately (g=10m//s^(2))