A ball is thrown with velocity `8 ms^(-1)` making an angle `60^(@)` with the horizontal.Its velocity will be perpendicular to the direction of initial velocity of projection after a time of

" A body is projected with velocity u making an angle 30^(0) with the horizontal.Its velocity when it is perpendicular to the initial velocity vector is "

A body is thrown with a velocity of 9.8 ms^-1 making an angle of 30^circ with horizontal. It will hit the ground after

A ball is thrown with a velocity of u making an angle theta with the horizontal. Its velocity vector normal to initial vector (u) after a time interval of

A particle is projected with a velocity of 20sqrt(3) m s^(-1) at an angle of 60^(@) to the horizontal.At the moment,the direction of motion of the projectile is perpendicular to the direction of initial velocity of projection, its velocity is?